Precision Race Components Cathedral Port Heads & Cam Package - Customer Supplied Castings

Precision Race Components Customer-Supplied 4.8L/5.3L/LS1/LS2/LS6 Cylinder Heads Fully CNC Ported & Assembled With Stainless Steel 2.02" Intake Valves, 1.575" Exhaust Valves, & TSP .660 Dual Valve Spring Kit with PAC Valve Springs &  Titanium Retainers.  Kit Also Includes TSP Hardened Pushrods & Your Choice Of Camshaft! This kit will include the following items: Complete CNC machining of your supplied cathedral-port cylinder heads, milled to your desired specs, assembled, and pressure-tested Choice of TSP camshaft TSP Hardened Pushrods  The price listed is with the customer sending us his/her cathedral-port castings to upgrade for porting, valve job, and milling. This price does NOT include the cylinder head castings! You must have a set of stock cathedral-port cylinder head castings to send to us for machining and assembly. ***If you purchase a Melling oil pump you MUST use a single-roller timing set!  The Melling oil pump will not clear a double-roller timing set!***