{"title":"MCP Brake Components","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eReliable braking is one of the most important systems on any quarter midget, and MCP (Master Control Products) has been the trusted standard in youth racing for decades. Vast Quarter Midget stocks a complete selection of MCP brake components to keep your car stopping consistently, lap after lap, whether you're running a rookie Honda or a Mod World Formula.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eComplete MCP Brake Parts for Your Quarter Midget\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eFrom full assemblies to the small replacement parts that wear out over a season, we carry what your team needs to maintain and rebuild your braking system. Our MCP lineup includes dual piston brake calipers, 7\/8\" master cylinders with AN-3 fittings, black steel brake pads, caliper sleeves, and brake pad retention springs and screws. When it's time for a refresh, the MCP 650QB \u0026amp; 650Q caliper rebuild kits and 7\/8 master cylinder rebuild kits restore performance without the cost of full replacement.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eBrake Fluid, Bleeders, and Maintenance Essentials\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eProper brake maintenance keeps your young driver safe and your car competitive. We stock DOT 5 silicone brake fluid, the MCP brake bleeder kit for clean, air-free bleeding, and billet master cylinder caps to finish the job. Keeping spare retention springs, screws, and caliper sleeves in your trailer means a quick fix at the track instead of a missed heat.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Buy MCP Brakes from Vast Quarter Midget\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eVast Quarter Midget is a division of Vast Racing Products and Energy Products, Inc., supplying parts, safety equipment, and accessories built specifically for youth racing. We carry genuine MCP components, keep popular items in stock, and ship quickly so your team is ready for the next race weekend. Have a question about fitment or which rebuild kit you need? Call us at 248-414-1835, Monday through Friday, 9 AM to 4 PM.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBrowse the full MCP brake component selection below, and check our complete \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/vastqm.com\/collections\/brakes\"\u003eBrakes collection\u003c\/a\u003e for additional quarter midget braking options.\u003c\/p\u003e","products":[{"product_id":"mcp-brake-bleeder-kit","title":"MCP Brake Bleeder Kit","description":"\u003cp data-start=\"180\" data-end=\"433\"\u003eThe MCP Brake Bleeder Kit is a precision-tool designed for racing vehicles using MCP hydraulic brake systems. Whether you’re maintaining a quarter midget, go-kart or small race car, this kit makes brake servicing clean, fast and reliable.\u003c\/p\u003e\n\u003cp data-start=\"435\" data-end=\"453\"\u003e\u003cstrong data-start=\"435\" data-end=\"451\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"454\" data-end=\"1125\"\u003e\n\u003cli data-start=\"454\" data-end=\"586\"\u003e\n\u003cp data-start=\"456\" data-end=\"586\"\u003eIncludes a spill-resistant catch bottle and clear tubing so you can observe fluid flow and air bubbles during the bleed process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"587\" data-end=\"726\"\u003e\n\u003cp data-start=\"589\" data-end=\"726\"\u003eOne-person operation—connect the tubing to the bleeder screw, open the valve and pump the brake to expel air and old fluid effectively.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"727\" data-end=\"860\"\u003e\n\u003cp data-start=\"729\" data-end=\"860\"\u003eCompatible with all MCP hydraulic brake systems used in competition vehicles—go-karts, race mowers, quarter midgets, mini bikes and small chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"861\" data-end=\"987\"\u003e\n\u003cp data-start=\"863\" data-end=\"987\"\u003eHelps restore a firm pedal feel and consistent braking response by removing trapped air and moisture from the brake lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"988\" data-end=\"1125\"\u003e\n\u003cp data-start=\"990\" data-end=\"1125\"\u003eBuilt for racing maintenance routines: ideal for post-race servicing or whenever you change brake pads or notice soft\/sluggish braking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1127\" data-end=\"1509\"\u003e\u003cstrong data-start=\"1127\" data-end=\"1146\"\u003eWhy You Need It\u003c\/strong\u003e\u003cbr data-start=\"1146\" data-end=\"1149\"\u003eAir in the brake lines can result in spongy pedal feel, inconsistent stops and longer track times. Regular bleeding with the MCP kit restores optimal brake performance, maximizing stopping power and ensuring safe, repeatable deceleration under heavy loads. Keeping your braking system in top condition means you can push harder and be more consistent on track.\u003c\/p\u003e\n\u003cp data-start=\"1511\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1539\"\u003eUsage \u0026amp; Maintenance Tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1542\" data-end=\"2007\"\u003e\n\u003cli data-start=\"1542\" data-end=\"1637\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1637\"\u003eBefore each race weekend or after any pad change, plan to bleed your brakes using this kit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1638\" data-end=\"1749\"\u003e\n\u003cp data-start=\"1640\" data-end=\"1749\"\u003eUse a high-quality compatible brake fluid, follow manufacturer specs for your calipers and master cylinder.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1750\" data-end=\"1831\"\u003e\n\u003cp data-start=\"1752\" data-end=\"1831\"\u003eKeep your workspace clean—this kit’s bottle helps avoid mess and fluid waste.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1832\" data-end=\"1922\"\u003e\n\u003cp data-start=\"1834\" data-end=\"1922\"\u003eInspect the tubing and bottle before each session; replace if cracked or contaminated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1923\" data-end=\"2007\"\u003e\n\u003cp data-start=\"1925\" data-end=\"2007\"\u003eStore the kit in your pit-box so you’re ready to service in the paddock or garage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2009\" data-end=\"2309\"\u003e\u003cstrong data-start=\"2009\" data-end=\"2036\"\u003eFitment \u0026amp; Compatibility\u003c\/strong\u003e\u003cbr data-start=\"2036\" data-end=\"2039\"\u003eThis kit is designed specifically for MCP hydraulic brake systems. If your vehicle uses MCP calipers or master cylinders this is the ideal accessory. It may also work with other small-vehicle hydraulic brake setups—verify port dimensions and connections before purchase.\u003c\/p\u003e\n\u003cp data-start=\"2311\" data-end=\"2563\"\u003e\u003cstrong data-start=\"2311\" data-end=\"2322\"\u003eSummary\u003c\/strong\u003e\u003cbr data-start=\"2322\" data-end=\"2325\"\u003eFor racers and mechanics who demand tight, consistent braking performance, the MCP Brake Bleeder Kit is a must-have maintenance tool. Simplify your brake bleed process, maintain peak braking feel and keep your vehicle safe and race-ready.\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":43778028568669,"sku":"EN912","price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/912MCPBrakeBleederKit.jpg?v=1762535827"},{"product_id":"dot-5-silicone-brake-fluid-4oz","title":"Dot 5 Silicone Brake Fluid - 4oz","description":"","brand":"MCP","offers":[{"title":"Default Title","offer_id":43943277690973,"sku":"EN406","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/EN406-Z.jpg?v=1767707455"},{"product_id":"7-8-master-cylinder-rebuild-kit","title":"7\/8 Master Cylinder Rebuild Kit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eDon't replace it — rebuild it. This 7\/8\" master cylinder rebuild kit is everything you need to restore proper brake feel and function to the MCP master cylinders found on most quarter midget race cars. \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe kit is designed to fit the MCP 875 and MCP 18875 (billet) master cylinders — the two most common units running in quarter midget competition. Whether you're dealing with a spongy pedal, fluid leaks, or a cylinder that's just due for a seasonal refresh, this kit brings it back to like-new performance with fresh internal components.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eInside the kit you'll find the seals, o-rings, piston, return spring, fill cap, and dust boot needed for a complete rebuild. Following MCP's standard rebuild procedure — cleaning the bore, lubricating with fresh brake fluid, and carefully seating the new piston and seal — takes most experienced crew members under an hour on the workbench.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eRebuilding your master cylinder at the start of each season (or any time you notice inconsistent pedal feel) is a low-cost way to maintain reliable, predictable braking — which matters whether your driver is in Rookie or running for a national title.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMCP 875 cast master cylinder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003ca href=\"https:\/\/vastqm.com\/products\/mcp-master-cylinder-7-8-with-an-3-fitting\" title=\"Quarter Midget Master Cylinder\"\u003eMCP 18875B billet master cylinder (7\/8\" bore)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMost quarter midget brake systems using MCP components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePiston (7\/8\" bore)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReturn spring\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCup seal(s) and o-rings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDust boot\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFill cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBrake Fluid Note:\u003c\/strong\u003e Fluid compatibility depends on which seals are included in the specific kit variant. Our kits require you to use DOT 5 silicone brake fluid only.\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44214287007837,"sku":"QM917","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/QM917.webp?v=1771611535"},{"product_id":"quarter-midget-brake-pad-black-steel","title":"Quarter Midget Brake Pad Black Steel (each)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe black steel brake pad is the harder, longer-lasting friction option for quarter midget calipers. Compared to softer phenolic or carbon pads, steel bites harder, resists fade better under repeated hard stops, and holds up longer on tracks with high braking loads or heavier cars. If your driver is getting aggressive on entry, running a class with more weight, or you're just tired of changing pads every few race weekends, steel is the upgrade. The tradeoff is a firmer feel at the pedal, so drivers used to a soft pad may need a heat or two to adjust.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eDirect replacement for standard quarter midget caliper pads. Sold individually, so order the quantity you need for a full set or a single swap. Pair fresh pads with a clean rotor and properly bedded brakes for consistent stopping power all season long.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eKey Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMaterial: Black steel\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCompound: Hard\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eApplication: Quarter midget brake caliper\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBenefits: Longer pad life, strong bite, fade resistance\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSold: Individually\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44382030987357,"sku":"554BM","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcp_brake_pad.jpg?v=1782742871"},{"product_id":"mcp-master-cylinder-7-8-with-an-3-fitting","title":"MCP  Master Cylinder - 7\/8\" with AN-3 Fitting","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MCP 18875B is the gold standard brake master cylinder for quarter midget racing — and for good reason. This black anodized billet aluminum cylinder delivers reliable, consistent brake feel whether you're setting up a new car or upgrading from the older cast #875 unit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 7\/8\" bore delivers firm, progressive pedal response that drivers and crew chiefs trust on the track. The AN-3 fitting makes for a clean, leak-resistant line connection, and the billet construction keeps weight under 1 lb. without sacrificing durability. When paired with a standard 650QB Brake Caliper commonly used for quarter midgets, use with \u003ca href=\"https:\/\/vastqm.com\/search?q=brake+fluid\" title=\"DOT 5 Brake Fluid for quarter midget racing\"\u003eDOT5 brake fluid\u003c\/a\u003e only.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhether you're building a new quarter midget, refreshing an existing brake setup, or sourcing parts for a kart or micro sprint, the MCP 18875B is a proven, pit-proven choice trusted across youth and amateur motorsports.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs at a Glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBore: 7\/8\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFitting: AN-3\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConstruction: Billet aluminum, black anodized\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBrake Fluid Compatibility: DOT 5 Only\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMounting: 5\/16\" (8mm) holes, 1-5\/16\" center-to-center bolt pattern\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDimensions: approximately 5\" × 1\" × 4-1\/4\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWeight: Under 1 lb.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReplaces: MCP #875 cast master cylinder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eApplications: Quarter midgets, karts, micro sprints, mini sprints, Jr. dragsters, and other small-displacement racing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003ca href=\"https:\/\/vastqm.com\/collections\/vendors?q=MCP\" title=\"MCP Brake Components for quarter midget racing\"\u003e\u003cstrong\u003eMCP Racing\u003c\/strong\u003e\u003c\/a\u003e is one of the most trusted names in small-car brake components. Their master cylinders are found on winners at tracks across the country — from local QMA and NASCAR Youth Series clubs to national-level competition.\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554763239517,"sku":"18875B","price":138.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcp-18875B-brake-master-cylinder.jpg?v=1782764918"},{"product_id":"mcp-dual-piston-brake-caliper","title":"MCP Dual Piston Brake Caliper","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhen it comes to quarter midget braking, the MCP 650QB is one of the most widely used calipers in the sport. Lightweight, reliable, and built specifically for the demands of youth racing, this black anodized billet aluminum dual piston caliper delivers consistent, confidence-inspiring stopping power race after race.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 650QB is the black anodized version of the popular MCP 650Q — same proven internals and performance, with a sleek black finish. It fits the majority of quarter midget chassis on the market today, making it a go-to choice for builders, crew chiefs, and parents setting up new cars or replacing worn components.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eDual pistons provide even, balanced clamping force across the rotor, which translates to straight, predictable braking without pull or fade. The included AN-3 straight fitting makes for a secure, leak-resistant brake line connection, and the 5\/16\" mounting holes align with standard QM brake mount configurations.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This caliper is designed for use with DOT 5 silicone brake fluid only. Do not substitute DOT 3 or DOT 4 fluid.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eChassis Compatibility Note:\u003c\/strong\u003e Fits most quarter midget chassis. Not compatible with ARC Quarter Midget Race Cars.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs at a Glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSKU: 650QB\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConfiguration: Dual piston\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eConstruction: Billet aluminum, black anodized\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFitting: AN-3 straight\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMounting: 5\/16\" holes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBrake Fluid: DOT 5 silicone only\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRotor Thickness Range: 0.125\" – 0.250\"\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFits: Most quarter midget chassis (excluding ARC)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEquivalent to: MCP 650Q (natural finish version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003ca href=\"https:\/\/vastqm.com\/collections\/vendors?q=MCP\" title=\"MCP Quarter Midget Brake components\"\u003e\u003cstrong\u003eMCP Racing\u003c\/strong\u003e\u003c\/a\u003e has been the dominant name in quarter midget and kart braking for decades. Their calipers are found on cars at every level of competition — from first-year rookies to national championship contenders.\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554777460829,"sku":"650QB","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcp-650qb-brake-caliper_8681f3ff-f7a3-4cb8-ace5-09d5465f1ed6.jpg?v=1782764442"},{"product_id":"mcp-brake-pad-retention-screw","title":"MCP Brake Pad Retention Screw","description":"\u003cp\u003e\u003cspan\u003eMCP Pad Retention Screw\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e5\/16-18 x 1.0\" BHCS\u003c\/p\u003e\n\u003cp\u003eFour Required, Sold Each\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554807803997,"sku":"MCP-555","price":0.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcpbrakepadretentionscrew.jpg?v=1782743623"},{"product_id":"mcp-caliper-sleeve","title":"MCP Caliper Sleeve","description":"\u003cp\u003e\u003cspan\u003eMCP 556 Pad Retention Sleeve\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFour Required, Sold Each\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554810687581,"sku":"18556","price":1.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcpcalipersleeve.jpg?v=1782743784"},{"product_id":"mcp-brake-pad-retention-spring","title":"MCP Brake Pad Retention Spring","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eA small part that does an important job. The MCP 557 Brake Pad Retention Spring keeps brake pads properly seated and secure within the caliper, preventing unwanted pad movement that can cause inconsistent brake feel, rattling, or premature wear.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThese springs are a common replacement item during brake service, pad swaps, or caliper rebuilds. If you're doing any caliper maintenance, it's good practice to inspect the retention springs and replace any that show signs of fatigue, deformation, or corrosion.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eFour springs are required per caliper. This listing is for a single spring\u003c\/strong\u003e — order four for a complete caliper refresh.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eCompatible with MCP calipers and also fits FWB calipers, making this a versatile pit bag staple for teams running either brand.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eStocking a few extras is a no-brainer. The last thing you want is a missing or failed retention spring sending a brake pad hunting mid-race.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSKU: 557\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBrand: MCP\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eQty Needed Per Caliper: 4\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSold: Individually\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompatible With: MCP calipers, FWB calipers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554811506781,"sku":"557","price":1.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/mcp557brakepadretentionspring.jpg?v=1782743930"},{"product_id":"billet-master-cylinder-cap-silver","title":"Billet Master Cylinder Cap - Silver","description":"\u003cp\u003eNote, photo shows multiple colors. This item is only available in silver\u003c\/p\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554831298653,"sku":"JRMCCS","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/dljrmcc_s.jpg?v=1782744224"},{"product_id":"mcp-650qb-650q-caliper-rebuild-kit","title":"MCP 650QB \u0026 650Q Caliper Rebuild Kit","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe MCP 650Q and 650QB are the most common brake calipers in quarter midget racing and like any high-cycle component, they benefit from periodic rebuilding. This is the official MCP rebuild kit for both variants, giving you everything needed to restore like-new piston action and sealing in a single, affordable package.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eRebuilding your caliper is a fraction of the cost of a full replacement. If you're chasing a soft pedal, caliper is sticking, noticing fluid weeping around the pistons, or simply doing a thorough offseason brake overhaul, this kit is the right starting point.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e2 Lightened Pistons with O-Rings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 Crossover O-Ring\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e2 Bleeder Screws\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e2 Brass Bleed Screw Washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe lightened pistons are a notable detail — they're not just replacement parts, they're the same spec used in current MCP production calipers, contributing to reduced unsprung weight without sacrificing braking performance.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e This kit fits the MCP 650Q and 650QB calipers only. It is not compatible with other MCP caliper models. Double-check your caliper model number before ordering.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMCP Part #: 695Q\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSKU: 695Q\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eVendor: MCP\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFits: MCP 650Q (natural\/polished) and 650QB (black anodized)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eType: Brake Caliper Rebuild Kit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MCP","offers":[{"title":"Default Title","offer_id":44554860068957,"sku":"695Q","price":23.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/files\/650qb-rebuild-kit-caliper.jpg?v=1782746127"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/7716\/2845\/collections\/mcp-650qb-brake-caliper.jpg?v=1782764193","url":"https:\/\/vastqm.com\/collections\/mcp-quarter-midget-brake-components.oembed","provider":"Vast Quarter Midget Racing","version":"1.0","type":"link"}