Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.036 in Long - Small Block Chevy - Set of 8 11823-8 13100905 COMP Cams Performance Series Solid/Mechanical

COMP Cams Performance Series Solid/Mechanical Lifters With EDM Injection Technology are premium lifters designed specifically for high-end street and race applications

CNC Precision Machined for Accuracy

With more than 100 years of spring manufacturing experience

Choose from either ribbed or smooth designs to match our engine accessories

Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.036 in Long - Small Block Chevy - Set of 8 11823-8 13100905 COMP Cams Performance Series Solid/MechanicalSEVERE 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