Head Diameter: 1.600 in. - Stem Diameter: .3136 in. - O/A : 4.923Manley 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

5 inches off the water pump flange

The 300Lph fuel pump supports high horsepower but still allows for great drive ability

The faces use factory-correct colors and billet aluminum center medallions for a faithful OE vibe

brass and bronze cooling systems

bolt on a Borla(r)

reduce stress concentrations

Maximum dyno gains of 15 hp and 19 lb

Camaro and ATS/ATS-V Front Endlinks (FE) for the GM Alpha chassis feature massive Teflon lined FK 1/2" bearings to provide the highest load capacity for use with stiffer aftermarket sway bars

2007 SEMA SHOW AWARD WINNING WRENCHES

Whether you are running at the track

we recommend adding our optional High-Flow Low-Current WMI Solenoid (PN 30-3326)

Fits most brake boosters or vacuum canisters w/ 13/16" port (inside diameter of the grommet on the brake booster)