Skunk2 Alpha Series Valves Stock Size Standard Compression Honda D-Series Intake Independent tests have shown average

Independent tests have shown average gains to be in the neighborhood of +18-20 horsepower with really nice gains in mid-range horsepower and torque

The much anticipated Ultra "Street" intake manifolds for the Honda B16A/ B17A and B18C engine or VTEC cylinder heads has finally arrived

assembled to cylinder blocks and cylinder heads made of aluminum

8L engines

then apply to the wet surface

Skunk2 Alpha Series Valves Stock Size Standard Compression Honda D-Series Intake Independent tests have shown averageSkunk2 Alpha Series Valves for the Honda D16Z6, D16Y5, D16Y7, and D16Y8 are manufactured from HNV 3 martensitic steel (IN) and EV8 austenitic steel (EX) one piece forgings. Each valve is heat treated using a proprietary process for extraordinary strength and durability and then hard chrome plated to further increase strength, significantly reduce friction, and increase corrosion resistance. Other valves may appear similar, but only Alpha Series Valves