This cam is compatible with stock pistons.
You must use modified springs.
They are best for low-end, off-road riding on muddy trails!
It will provide great torque and throttle response!
The valve lift is .480/.480; the duration is 256/253; and the lobe center is 108/106.5. Intake open/close is 20btc/56abc. Valve Lash is .005. Exhaust open/close is 53bbc/20atc. Valve Lash is .005.
*Customer must provide a core; if not available there is a $ 60.00 Core Charge to use ours.