Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 turn14-atp maintaining lower temperatures (Mishimoto thermostat

maintaining lower temperatures (Mishimoto thermostat activates at 165

Mishimoto MMWS-004-200BK

Turbosmart Modular Reference Distribution Block (6 Port) 1/8NPT

Significant weight savings over stock

all fixtures and fittings

Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 turn14-atp maintaining lower temperatures (Mishimoto thermostatManufacturer 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