Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 SPECIAL-ORDER CSF went through several different

CSF went through several different prototypes using cores of varying thicknesses

32 percent increase in core volume over stock for improved cooling efficiency

The Mishimoto Performance Intercooler Kit for your 2013-2019 ATS or 2016-2024 Camaro is available with your choice of polished or wrinkle black piping

0mm Stem Manganese Bronze Exhaust Valve Guide - Single (Drop Ship Only)

KW COILOVER KIT V3 - 35285004

Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 SPECIAL-ORDER CSF went through several differentManufacturer Part # : 11880 8 Market Description Manley 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