Manley Valve - Exhaust, Valve-S/D 1.880,+.100 1987-pontiac-firebird-esi3246161 making them highly resistant to

making them highly resistant to wear and tear

Works on all 2016+ Camaro models with aftermarket coilover struts

time attack

so they need all the help they can get

The complete upper kit is designed to reinforce the upper control arm mounting points

Manley Valve - Exhaust, Valve-S/D 1.880,+.100 1987-pontiac-firebird-esi3246161 making them highly resistant toManley 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