Manley Valve - Exhaust, Valve-S/D 1.625,+.700 1984-pontiac-firebird-esi1382254 The mounting plates attach to

The mounting plates attach to the stock lower control arm mounts or BMRs CAB005 control arm relocation brackets

but too much slipperiness causes excess wheel spin

BMRs rod ended

USA Made FK rod ends included to a rattle free installation and years of maintenance free use

Manley Valve - Exhaust, Valve-S/D 1.625,+.700 1984-pontiac-firebird-esi1382254 The mounting plates attach 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