manley chevrolet small block exhaust valve kit 1 600in head dia 5 140in o a length 0 3110in stem 1 createdByExact studs and miscellaneous hardware to

studs and miscellaneous hardware to install HE351 and HE300VG mounted turbos

Thermal insulation layer – reduces heat transfer to the caliper

Integrated

thanks in part to the Ram-Air's huge filter area (fewer filter cleanings

manley chevrolet small block exhaust valve kit 1 600in head dia 5 140in o a length 0 3110in stem 1 createdByExact studs and miscellaneous hardware toManley 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