{"product_id":"crankcase-set-ke21sp-74031-07-with-piston-cylinder-set-ke21sp-74031-04","title":"Crankcase Set (KE21SP) 74031-07 WITH PISTON \u0026 CYLINDER SET (KE21SP) 74031-04","description":"\u003ch2\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eCrankcase Set (KE21SP) 74031-07 with Piston \u0026amp; Cylinder Set (KE21SP) 74031-04\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eShort Introduction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Crankcase Set (KE21SP) 74031-07 with Piston \u0026amp; Cylinder Set (KE21SP) 74031-04 is a precision-engineered replacement engine component designed for KE21SP nitro RC engines. This essential rebuild kit restores compression, engine alignment, and overall performance for hobby-grade RC vehicles.\u003c\/p\u003e\n\u003cp\u003eIdeal for maintaining high-performance RC cars and racing models, this set ensures smooth operation and long-lasting durability.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eAbout\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThe crankcase is the structural core of a nitro RC engine, housing the crankshaft and supporting internal engine components. The KE21SP Crankcase Set is manufactured with precise machining and durable alloy construction to maintain perfect alignment and reliable sealing during high-speed operation.\u003c\/p\u003e\n\u003cp\u003eIncluded in this package is the matched piston and cylinder set, designed to restore compression and improve throttle response in worn engines. This matched assembly ensures proper sealing and efficient combustion, allowing your RC engine to deliver consistent power and stable tuning.\u003c\/p\u003e\n\u003cp\u003eTogether, these components form a complete rebuild solution for KE21SP nitro engines commonly used in high-performance RC cars and racing buggies. Whether your engine has suffered wear from extended racing or requires routine maintenance, this set helps bring it back to peak condition.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward for hobbyists familiar with RC engine maintenance. Once installed and properly tuned, the engine regains smooth acceleration, improved reliability, and longer service life, making it perfect for both competitive racing and regular hobby use.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eDesigned specifically for KE21SP nitro RC engines\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eIncludes crankcase set and matched piston \u0026amp; cylinder assembly\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003ePrecision-machined alloy crankcase for accurate engine alignment\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eHigh-quality piston and cylinder for restored compression and power\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eDirect-fit replacement for worn or damaged engine components\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eDurable construction suitable for high-performance RC car racing\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eIdeal for engine rebuilds, maintenance, and performance restoration\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003eCompatible with hobby-grade nitro RC cars using KE21SP engines\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eWhat’s Inside the Box\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e1 × Crankcase Set (KE21SP) – 74031-07\u003c\/p\u003e\n\u003cp style=\"margin-left: 36.0pt; text-indent: -18.0pt; mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"font-size: 10.0pt; mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e·\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e         \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e1 × Piston \u0026amp; Cylinder Set (KE21SP) – 74031-04\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman';\"\u003eWhy Buy from Havoc Hobby Private Limited\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eAt Havoc Hobby Private Limited, we supply authentic hobby-grade RC parts and accessories trusted by enthusiasts and racers. Every product is carefully selected to ensure compatibility, durability, and performance. Whether you are repairing, upgrading, or maintaining your RC car, you can count on reliable parts and professional service from a trusted hobby retailer.\u003c\/p\u003e","brand":"Havoc Hobby","offers":[{"title":"Default Title","offer_id":48460965052666,"sku":"10539","price":16322.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0489\/5296\/7332\/files\/20260316_130703.jpg?v=1773652887","url":"https:\/\/havochobby.in\/products\/crankcase-set-ke21sp-74031-07-with-piston-cylinder-set-ke21sp-74031-04","provider":"Havoc Hobby","version":"1.0","type":"link"}