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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
the 6579 is a true high performance upgrade worthy of consideration
Each header is manufactured with 1-5/8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds
which causes the spring to load and unload
2653-1 - 1970-1981 GM F-Body Upper A-arms
BMR Suspensions STB002 are available in black hammertone and red powdercoat for long-lasting good looks
Manley Valve - Exhaust, Valve-BBC PONT S/D 1.900 NA the 6579 is a trueManley 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
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