Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.165 in Long - Small Block Chevy / Ford - Set of 8 M59XX1 Compact enough to fit in

Compact enough to fit in your pocket or glove box for quick bottle changes or to check lines at the track

Fluid Cooler Core

75 in Bolt Pattern

2022-2023 Ford F-150 LightningVehicle Applications: 2021-2023 Ford F-150

Extra support at rib height provides support for high G force cornering but is designed to not interfere with shifting

Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.165 in Long - Small Block Chevy / Ford - Set of 8 M59XX1 Compact enough to fit inSEVERE DUTY SERIES Superior Stainless for High Temperature Gasoline Engines Exhaust Material XH 428 with Double the Ultimate Tensile Strength ( at 1500 F ) over the competition Intake Material NK 844 with 1000 Times Better Fatigue Strength than competitors offerings 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