Manley Valve - Exhaust, Valve-351C S/D 1.710 Adapters - Turbo Race Version (BSK401) corrects bump

Race Version (BSK401) corrects bump steer and is designed for street performance

250" Inlet

This low-profile intake manifold offers a much cleaner alternative to the original plastic intake

Edelbrock offers the optional LS1 Timing Control Module #91238 to drive the stock LS1 Coil-on-Plug ignition system

Save time and money with these all-inclusive kits

Manley Valve - Exhaust, Valve-351C S/D 1.710 Adapters - Turbo Race Version (BSK401) corrects bumpManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just