250” chromoly handling sway bar for better cornering
dash rattles and quarter panel flexing
Rod ends are the ultimate in smoothness and articulation where a full race system is desired
Camber is easily adjustable at the track with simple (metric) hand tools
The lower A-arms also feature greasable heavy-duty ball joints
Manley Valve - Exhaust, Valve-S/D 1.625,+.600 1989-pontiac-firebird-esi6878223 250” chromoly handling sway barManley 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