Manley Valve - Exhaust, Valve-SBC P/F 1.600 2001 pontiac firebird ZF Lifeguard 8 Shell ML12108

ZF Lifeguard 8 Shell ML12108

Supplied is (4) 1/2" grade 8 bolts

and adding cornering consistency to your Pontiac G8 and Chevy SS is easy with polyurethane radius rod bushings from BMR Suspension

Installation time is about 2-3 hours

With CNC Machined 0

Manley Valve - Exhaust, Valve-SBC P/F 1.600 2001 pontiac firebird ZF Lifeguard 8 Shell ML12108Manley 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