{"product_id":"mazworx-sr20ve-head-stage-3-5-roller-rocker-drag-service-9wozy","title":"Mazworx SR20VE Head Stage 3.5 Roller Rocker - Drag Service","description":"\u003cp\u003eThis service uses customer-provided engine components. A replacement core is not included.\u003c\/p\u003e\u003cp\u003eProvide SR20VE core cylinder head. Confirm compatibility and condition before ordering.\u003c\/p\u003e\u003cp\u003eService work and components\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDeck-water-passage plugging follows the selected option\u003c\/li\u003e\n\u003cli\u003eEquipped with roller rockers to reduce valvetrain friction and improve responsiveness\u003c\/li\u003e\n\u003cli\u003eStage 3 CNC porting\u003c\/li\u003e\n\u003cli\u003ePrecision-machined 90mm CNC combustion chambers\u003c\/li\u003e\n\u003cli\u003eUpgraded valve train components including Supertech valves (+1mm intake, +2mm exhaust), valve stem seals, titanium retainers, and dual valve springs rated at 138 lbs to handle aggressive cam profiles\u003c\/li\u003e\n\u003cli\u003eComprehensive valve job featuring multi-angle valve seats and reamed valve guides for optimal sealing and durability\u003c\/li\u003e\n\u003cli\u003eIncludes Mazworx threaded and O-ringed freeze plug kit designed specifically for SR20VE heads\u003c\/li\u003e\n\u003cli\u003eCompatible with Kelford racing camshafts specified for the SR20VE\u003c\/li\u003e\n\u003cli\u003eSupertech valves and valve stem seals\u003c\/li\u003e\n\u003cli\u003eSupertech titanium valve retainers\u003c\/li\u003e\n\u003cli\u003eSupertech dual valve springs (138 lbs)\u003c\/li\u003e\n\u003cli\u003eSupertech bronze valve guides\u003c\/li\u003e\n\u003cli\u003eMazworx threaded and O-ringed freeze plug kit\u003c\/li\u003e\n\u003cli\u003eMT roller rockers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelected options define the supplied work and component upgrades. Unselected extras are not included.\u003c\/p\u003e\u003cp\u003eConfirm delivery arrangements before sending parts. Work starts only after the individual intake is approved.\u003c\/p\u003e\u003cp\u003eAdditional work and replacement parts need approval. Core credit requests require individual approval. No automatic core credit is included.\u003c\/p\u003e\u003cp\u003ePhotos show manufacturer work examples. The service uses customer-provided cores. Selected options and listed components define the supplied work.\u003c\/p\u003e","brand":"Mazworx","offers":[{"title":"Keford R184-LTK 268\/268 11mm \/ No","offer_id":67979561107608,"sku":"9WOZY","price":6280.32,"currency_code":"USD","in_stock":false},{"title":"Keford R184-LTK 268\/268 11mm \/ Yes","offer_id":67979561140376,"sku":"9WOZZ","price":6749.07,"currency_code":"USD","in_stock":false},{"title":"Kelford R184-STK 286\/292 11.8mm \/ No","offer_id":67979561173144,"sku":"9WP00","price":6280.32,"currency_code":"USD","in_stock":false},{"title":"Kelford R184-STK 286\/292 11.8mm \/ Yes","offer_id":67979561205912,"sku":"9WP01","price":6749.07,"currency_code":"USD","in_stock":false},{"title":"Kelford R184-TK 296\/302 12.5mm \/ No","offer_id":67979561238680,"sku":"9WP02","price":6280.32,"currency_code":"USD","in_stock":false},{"title":"Kelford R184-TK 296\/302 12.5mm \/ Yes","offer_id":67979561271448,"sku":"9WP03","price":6749.07,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/mazworx-sr20ve-roller-rocker-head-angled-view-service-example.webp?v=1794469730","url":"https:\/\/frsport.com\/products\/mazworx-sr20ve-head-stage-3-5-roller-rocker-drag-service-9wozy","provider":"FR SPORT","version":"1.0","type":"link"}