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FX4 and Platinum edition - New Electronics Installed
or precise cornering performance
billet aluminum vertical links (VL765) are CNC-machined from 6061-T6 billet aluminum
These direct replacements for factory arms reduce wheel hop
Manley Valve - Exhaust, Valve-S/D 1.625,+.700 1987-pontiac-firebird-esi3246161 FX4 and Platinum edition -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 cycles, while competitors failed after just
