{"product_id":"prc-237cc-cnc-ported-cathedral-port-cylinder-heads","title":"PRC 237cc CNC-Ported Cathedral-Port Cylinder Heads","description":"\u003cp\u003eFully assembled PRC 237cc CNC-ported cathedral-port cylinder heads for 370-cubic-inch and larger LS combinations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e237cc CNC intake runners\u003c\/li\u003e\n\u003cli\u003e84cc CNC exhaust runners\u003c\/li\u003e\n\u003cli\u003e62cc chambers\u003c\/li\u003e\n\u003cli\u003e2.100-inch hollow-stem intake valves\u003c\/li\u003e\n\u003cli\u003e1.600-inch stainless exhaust valves\u003c\/li\u003e\n\u003cli\u003eTSP .660-inch PAC dual springs with titanium retainers\u003c\/li\u003e\n\u003cli\u003eCHE bronze guides\u003c\/li\u003e\n\u003cli\u003eFactory rocker compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Cathedral-port LS engines with a 4.00-inch or larger bore. Verify compression, piston-to-valve clearance, pushrod length, and intake-port compatibility.\u003c\/p\u003e","brand":"Precision Race Components","offers":[{"title":"Default","offer_id":54635305369919,"sku":"PRC-SS237SC","price":3099.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/smgspeed.com\/products\/prc-237cc-cnc-ported-cathedral-port-cylinder-heads","provider":"SMGspeed","version":"1.0","type":"link"}