For all cylinder head orders expect build time to be 4-6 weeks.
PRC LS3/L92/LSA CNC Head Porting & TSP Camshaft Package (Customer-Supplied Castings) - PRR-199-LS3HCPackage-CS
Package requires customer supplied castings for porting.
Precision Race Components L92/LS3 Cylinder Heads Fully CNC Ported & Assembled With your choice of valves, PRC Dual Valve Spring Kit with Titanium Retainers, and custom milling based off your camshaft selection! Kit Also Includes TSP Hardened Pushrods & Your Choice Of Camshaft!!
You can upgrade your package with a GM heads/cam bolt and gasket kit that includes GM head gaskets, GM cylinder head bolts, timing cover gasket, water pump gaskets, front crankshaft seal, and balancer pulley bolt.
When selecting your camshaft, please keep in mind that the largest camshaft you can run on a factory LS2 or LS3 short-block is our F35: 235/248, .649"/.615", 111 LSA camshaft! Anything larger will require you to cut valve reliefs in your pistons! Our LS3 TSP camshafts were all designed on our SuperFlow 902 engine dyno on a factory LS3 engine. These camshafts are designed for maximum power on a stock LS2 or LS3 short-block without any piston-to-valve clearance issues.
**You must have a minimum of a 4.00" bore size to run the L92 cylinder heads!**
This packages can provide over 125 flywheel horsepower gains! If you have any questions over what packages are best for your application please give us a call!
Lethal Performance is proud to offer the entire line of products!
