manley big block chevy 2 350in diameter 0 350in longer length extreme duty exhaust valves set of 8 640042 These components are made from

These components are made from CNC machined 1026 DOM steel and welded in-house

and CDEV shocks

does not use the thrust washers

afmetingen: 11

2 Lengte B (IN) 3 Lengte B (MM) 76

manley big block chevy 2 350in diameter 0 350in longer length extreme duty exhaust valves set of 8 640042 These components are made fromManley 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