{"product_id":"prc-as-cast-225cc-ls1-ls2-cathedral-port-cylinder-heads","title":"PRC As-Cast 225cc LS1\/LS2 Cathedral-Port Cylinder Heads","description":"\u003cp\u003eFully assembled PRC 225cc as-cast cathedral-port heads for high-flow street and race LS combinations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e225cc as-cast intake runners\u003c\/li\u003e\n\u003cli\u003e62cc CNC-machined chambers\u003c\/li\u003e\n\u003cli\u003e2.065-inch intake valves\u003c\/li\u003e\n\u003cli\u003e1.600-inch exhaust valves\u003c\/li\u003e\n\u003cli\u003eTSP .660-inch dual spring kit with PAC springs and titanium retainers\u003c\/li\u003e\n\u003cli\u003eFactory LS1 rocker compatible\u003c\/li\u003e\n\u003cli\u003eSold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Cathedral-port 5.7L, 6.0L, and larger LS engines with a minimum 3.903-inch bore.\u003c\/p\u003e\u003cp\u003eVerify bore size, compression, piston-to-valve clearance, pushrod length, and intake-port compatibility before installation. Not legal for sale or use in California on pollution-controlled vehicles.\u003c\/p\u003e","brand":"Precision Race Components","offers":[{"title":"Default","offer_id":54635272143167,"sku":"PRC-SSAsCast225","price":2399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/PRC-SSAsCast225_e9f63e17-6df0-4a39-88f2-c37745da0f6b.jpg?v=1785154163","url":"https:\/\/smgspeed.com\/products\/prc-as-cast-225cc-ls1-ls2-cathedral-port-cylinder-heads","provider":"SMGspeed","version":"1.0","type":"link"}