Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 Very useful for GM fuel

Very useful for GM fuel rail applications

Delrin bushings for seamless movement

Edelbrock part #8030 Throttle

this kit offers a high-performance upgrade for your vehicle’s suspension system

Edelbrock part #75011 RPM Air-Gap RPM intake manifold is designed for 1955-86 262-400 c

Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 Very useful for GM fuelManley 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