Manley Valve - Exhaust, Valve-S/D 1.500,+.100 2013 Ram 1500 Laramie Longhorn Laramie Longhorn - RWD 550" OD and a

550" OD and a

1967-1968 Chevrolet Camaro

Turbine OUTLET

These units replace the old rusted and leaking stock exhaust manifolds that normally require extensive cleaning and machine work to be recovered from warping and distortion

Manley Valve - Exhaust, Valve-S/D 1.500,+.100 2013 Ram 1500 Laramie Longhorn Laramie Longhorn - RWD 550" OD and aManley 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