Manley Race Master Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 110025 Vehicle Applications: Infiniti Q50 16-18/Q60

Vehicle Applications: Infiniti Q50 16-18/Q60 17-18 V6-3

2008-2009 Ford F-350 Super Duty FX4 SuperCab Pickup

2016-2017 Ford Explorer

Manual upshift / trigger button allows for driver override and testing in the pits

436 lb/in Spring Rate

Manley Race Master Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.422 in Long - Big Block Chevy - Set of 8 110025 Vehicle Applications: Infiniti Q50 16-18/Q60Product Description: Exhaust Valve Race Master 1. 880 in Head 0. 342 in Valve Stem 5. 422 in Long Stainless Big Block Chevy Set of 8 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our