PRC 255cc & 260cc L99 Aftermarket 6-Bolt Heads & TSP Camshaft Package

Precision Race Components L99 Cylinder Heads Fully CNC Ported & Assembled With your choice of pushrods, valves, and custom milling based off your camshaft selection! When selecting your camshaft, please keep in mind that all TSP L99 camshafts are completely engine dyno developed & include the camshaft phaser tables for correct tuning! Our L99 TSP camshafts were all designed on our SuperFlow 902 engine dyno on a factory L99 engine. These camshafts are designed for maximum power on a stock L99 short-block without any piston-to-valve clearance issues. This kit requires the removal of the AFM lifters! By removing the AFM lifters when doing your heads/cam install we're able to uses TSP proprietary camshaft lobes that have proven to make over 13 HP & TQ gains compared to AFM-friendly lifters! All of the camshafts listed in this package are VVT cams, so they will require the removal of the factory AFM/DOD system. You can add our DOD delete kit in the drop-down menu below if you have not already purchased one. Kit Includes: Your choice of TSP VVT L99 Camshaft Your Choice of PRC 255cc or 260cc LS3/L99 Aftermarket 6-Bolt Cylinder Heads Your Choice of Valve Springs Hardened Pushrods Phaser Limiter Custom Phaser Tuning File New GM VVT Camshaft Bolt This packages can provide over 140+ flywheel horsepower gains! If you have any questions over what packages are best for your application please give us a call!