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a three-way adjustable 1″ Pro-Tour style sway bar allows fine-tuning of rear roll stiffness
DOT approved
250” USA tubing reinforce the front frame sway bar mounting area
Shackle and Hanger Kits are the ultimate solution for lowering the rear of your truck without compromising ride quality
Designed to maintain consistent spring pressure and minimize valve float under extreme load
Manley Valve - Intake, Valve-S/D 2.190 2002 pontiac firebird a three-way adjustable 1″ Pro-TourManley 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
