{"product_id":"spec-05-06-volvo-s40-t5-2-5l-04-07-s60r-2-5l-steel-flywheel","title":"Spec 05-06 Volvo S40 T5 2.5L \/ 04-07 S60R 2.5L Steel Flywheel","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eSO60S\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eSpec Billet Steel Flywheel – 2004-2007 Volvo S60R \u0026amp; V70R \/ 2005-2006 S40 T5 2.5L 6MT\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eSpec SO60S\u003c\/strong\u003e is the #1 selling billet steel flywheel for the rare 6-speed Volvo P2-platform 2.5T engines. Precision CNC-machined from certified 1045 billet steel, SFI 1.1 approved, and perfectly balanced to replace the weak factory dual-mass flywheel. Drops rotational mass by ~10 lbs, dramatically improves throttle response, and eliminates DMF rattle – the ultimate upgrade for any manual S60R, V70R, or S40 T5.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSFI 1.1 Certified\u003c\/strong\u003e – meets or exceeds all racing sanctioning body requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e≈ 10 lb Weight Reduction\u003c\/strong\u003e vs factory dual-mass flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1045 Billet Steel\u003c\/strong\u003e – one-piece design, zero failure points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep Height \u0026amp; Ring Gear Machined\u003c\/strong\u003e – perfect clutch mating surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e – lifetime warranty against defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSO60S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e1045 billet steel (one-piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≈ 22 lbs (10 lb lighter than OEM DMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eFlat flywheel (stepped for clutch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFI Rating\u003c\/td\u003e\n\u003ctd\u003eSFI 1.1 approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime against defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2004–2007 Volvo S60R \/ V70R 6MT and 2005–2006 S40 T5 6MT (2.5L turbo)\u003c\/li\u003e\n\u003cli\u003eReplaces factory dual-mass flywheel (DMF)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTransmission removal required – professional install recommended\u003c\/li\u003e\n\u003cli\u003eUse with any Stage 1–3+ clutch kit (Spec recommends SV601-2 or SV603H)\u003c\/li\u003e\n\u003cli\u003eNew flywheel bolts required (ARP or OEM recommended)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine \/ Trans\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004–2007\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003eS60R \/ V70R\u003c\/td\u003e\n\u003ctd\u003e2.5T 6MT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005–2006\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003eS40 T5\u003c\/td\u003e\n\u003ctd\u003e2.5T 6MT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Spec Flywheels?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAmerica’s #1 performance flywheel manufacturer\u003c\/li\u003e\n\u003cli\u003eEvery flywheel machined and balanced in Bessemer, Alabama\u003c\/li\u003e\n\u003cli\u003eTrusted by every high-horsepower Volvo R build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will I get more engine vibration?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Slight increase at idle is normal when removing DMF – most owners love the mechanical feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I keep the factory clutch?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not recommended – upgrade to a Spec Stage 1 or 2+ kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is it SFI approved?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, SFI 1.1 certified for racing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS\/FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock – ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Official Spec heavy-duty box\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPEC","offers":[{"title":"Default Title","offer_id":43919975088207,"sku":"SPECSO60S","price":575.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/spec-so60s-flywheel-01.png?v=1764868347","url":"https:\/\/www.blackopsautoworks.com\/products\/spec-05-06-volvo-s40-t5-2-5l-04-07-s60r-2-5l-steel-flywheel","provider":"Black Ops Auto Works","version":"1.0","type":"link"}