Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single turn14-atp Manufacturer Part # : 181940

Manufacturer Part # : 181940

Manufacturer Part # : 649-05-0225

Brembo 12-20 BRZ PISTA Front Race BBK 6 Piston Forged 2pc355x32x53a 2pc Rotor T3L-Black HA

Sparco Shoe K-Pole 38 BLK/BLU

0L AT 2/4WD S-Type SS Catback Exhaust

Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single turn14-atp Manufacturer Part # : 181940Manufacturer Part # : 11880 1 Market Description Manley 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