Skunk2 Racing Ultra Series Ultra 4 Camshaft (305-05-7040) _Silicon Through its masterful design

Through its masterful design

significantly improves power transfer through the drivetrain

We then took each runner and also added velocity stack inlets to each individual runner for even better performance

25-inch inlets and outlets

Skunk2 Racing Ultra Series Ultra 4 Camshaft (305-05-7040) _Silicon Through its masterful design3 Lobe Forged Tool Steel Core 99mm+Stroke Drag 2. 4L IN: 0. 595in. 280@1mm; EX: 0. 575in. 283@1mm. Up to 80 hp gains with Skunk2's Ultra line of camshafts, our professional line of high lift, racing camshafts for Honda's K series VTEC engines. Ultra Camshafts are designed to optimize mid range and top end horsepower and torque, with peak power moved up the RPM band. As a result, VTEC crossover is seamless, allowing for the broadest powerband possible.