These new stage packages from Mast make big, dyno proven horsepower gains using pump gas. No headaches, no guesswork, just big power. Horsepower gains listed are performed on a chassis dyno resulting in true before and after, at the wheels horsepower gains.
The kit includes:
L99 VVT cam for automatic transmission Camaros
Mast premium nitrided valve springs
Mast phase restrictor
Mast 12 degree LS3 cylinder heads
Mast stainless steel intake and exhaust valves, retainers and locks
Mast 8.150 pushrods
LS7 lifter kit (to replace the DOD lifters)
Duration @.050 230/244
The cylinder heads are fully assembled and when coupled with headers can produce a 125 hp gain at the rear wheels. This cam has an aggressive idle.