GPI LT1 SS4 Camshaft

233/257 .639"/.639" 112+3

All out performance application. Very street able, requires 4000 plus converter. Track tested and developed 10 second cam with heads and supporting mods. Strong to 7200 rpm.

12.5:1 compression minimum, ideally 13:1. Will require flycutting for adequate piston to valve clearance.

Ships Direct From Manufacturer

Cam Kit Options:

1. Camshaft Only
2. GPI Camshaft, BTR .660" Platinum Dual Spring Kit w/ Titanium Retainers, GPI Hardened 3/8" 7.850" Pushrods, GPI 0* Phaser Limiter & GM High Pressure Fuel Pump Lash Cap 12596509