PRC 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!***