{"product_id":"star-racing-655-lift-twin-cam-valve-spring-kit-7mm","title":"STAR Racing .655 Lift Twin Cam Valve Spring Kit - 7mm","description":"\u003cdiv id=\":23z\" class=\"Am aiL Al editable LW-avf tS-tW tS-tY\" role=\"textbox\" spellcheck=\"false\" tabindex=\"1\"\u003e\n\u003cp\u003e\u003cu\u003e\u003cstrong\u003eStar .655 Lift Twin Cam Valve Spring Kit with Titanium Retainers\u003c\/strong\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe valve train upgrade your high-lift Twin Cam build demands.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003e\u003cstrong\u003ePart Description\u003c\/strong\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt for Twin Cam engines running high lifts like those with Star Racing's P38 Lightning 615 and Thrasher 650 camshafts. This spring kit is engineered to handle the demands of aggressive lift profiles without compromise. Lightweight titanium retainers reduce reciprocating mass for cleaner valve control at high RPM, while the race-spec springs deliver consistent seat pressure and reliable return across the full lift range — whether you're building for the street or the strip.\u003c\/p\u003e\n\u003cp\u003eSupports up to .655 lift.\u003c\/p\u003e\n\u003cp\u003eDesigned to pair directly with the \u003ca href=\"https:\/\/ajspartsdepot.com\/products\/star-racing-p38-lightning-615-twin-cam-camshaft-615-lift\" target=\"_blank\" rel=\"noopener\"\u003eStar P38 Lightning 615 (\u003cstrong\u003eTC615C\u003c\/strong\u003e)\u003c\/a\u003e and \u003ca href=\"https:\/\/ajspartsdepot.com\/products\/star-racing-thrasher-650-twin-cam-camshaft-650-lift\" rel=\"noopener\" target=\"_blank\"\u003eStar Thrasher 650 (\u003cstrong\u003eTC650C\u003c\/strong\u003e)\u003c\/a\u003e camshafts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Twin Cam 2007+(non-CVO)\u003c\/p\u003e\n\u003ch2 class=\"gmail-s__5DGWeQ gmail-oHJSrAT---typography-11-runningText gmail-oHJSrAT---priority-7-primary gmail-_HOcyB gmail-x4nptw gmail-sxbtulv gmail-ftb6e2\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"gmail-rah-static gmail-rah-static--height-auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"gmail-ulKuLk gmail-QfrfFD gmail-cell\"\u003e\n\u003cdiv class=\"gmail-zp8uy2 gmail-veCD9x\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKibblewhite race-spec springs —\u003c\/strong\u003e proven performance, not budget aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium retainers—\u003c\/strong\u003e reduced reciprocating mass for improved high-RPM valve control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports up to .655 lift — \u003c\/strong\u003ematched to Star Racing 615 and 650 cam profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7mm stem fitment — \u003c\/strong\u003edirect replacement, no machining required Built for street and strip applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstall Notes\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eConfirm cylinder head valve stem diameter is 7mm before ordering. Recommend professional installation with proper spring compressor tooling. Verify coil bind clearance at full lift before final assembly.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AJ's Parts Depot","offers":[{"title":"Default Title","offer_id":62997024866675,"sku":"TC20-20350","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/8220\/3251\/files\/2dc5f7_3d820d62360a4ba486158997331d702d_mv2.avif?v=1781732681","url":"https:\/\/ajspartsdepot.com\/products\/star-racing-655-lift-twin-cam-valve-spring-kit-7mm","provider":"AJ's Parts Depot","version":"1.0","type":"link"}