{"product_id":"mazworx-vq37vhr-heads-stage-3-service-9wowq","title":"Mazworx VQ37VHR Heads Stage 3 Service","description":"\u003cp\u003eThis service uses customer-provided engine components. A replacement core is not included.\u003c\/p\u003e\u003cp\u003eProvide VQ37VHR core cylinder heads. Confirm compatibility and condition before ordering.\u003c\/p\u003e\u003cp\u003eConfirm the exact cylinder-head application and set scope before ordering.\u003c\/p\u003e\u003cp\u003eService work and components\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemoval, drilling, tapping, and replacement of oil port plugs\u003c\/li\u003e\n\u003cli\u003eRemoval and replacement of freeze plugs\u003c\/li\u003e\n\u003cli\u003eStage 3 CNC porting and combustion chamber refinements\u003c\/li\u003e\n\u003cli\u003eRemoval, reinstallation, and reaming of valve guides\u003c\/li\u003e\n\u003cli\u003eRace-grade valve job\u003c\/li\u003e\n\u003cli\u003eValve lash adjustment\u003c\/li\u003e\n\u003cli\u003eResurfacing of heads\u003c\/li\u003e\n\u003cli\u003eComplete assembly of heads\u003c\/li\u003e\n\u003cli\u003eSupertech intake valves, oversized by +1mm\u003c\/li\u003e\n\u003cli\u003eSupertech Inconel exhaust valves, oversized by +1mm for increased strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eSupertech bronze valve guides\u003c\/li\u003e\n\u003cli\u003eSupertech dual valve spring kit – 70lbs intake and 60lbs exhaust springs\u003c\/li\u003e\n\u003cli\u003eSupertech valve seals\u003c\/li\u003e\n\u003cli\u003eJWT C2 exhaust cams featuring 272-degree duration and 11.7mm lift\u003c\/li\u003e\n\u003cli\u003eMiscellaneous plugs as required\u003c\/li\u003e\n\u003c\/ul\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":"Customer-core service","offer_id":67979522965656,"sku":"9WOWQ","price":4686.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/mazworx-vq37vhr-cylinder-head-with-camshafts-installed-service-example.webp?v=1794469551","url":"https:\/\/frsport.com\/products\/mazworx-vq37vhr-heads-stage-3-service-9wowq","provider":"FR SPORT","version":"1.0","type":"link"}