Upgrade your stock ZRX Cams to this performance profile to increase overall performance. Requires Extended Rockers, Exhaust System, and High Compression Piston. Price Per Set (2). Grind # 402/644 Hardweld 61-281 Valve Lift: 386/359 Duration: 255/246 Duration @ 0.050″: 229/224
This is a service we provide to customers. Please contact us to get the mailing address to ship your stock cams to.