Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 this kit offers a high-performance

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

Some vehicles have a 3-link rear suspension while others have a 4-link set-up

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

and the electronically controlled governor pressure circuit

Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 this kit offers a high-performanceManley 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