Cloyes Original True Roller Timing Chain Set - SB Chevy (.010" Shorter) Tachometer Pickup Old air flows out of

Old air flows out of the rear holes on the top of the helmet and from the bottom of the helmet significantly reducing the likelihood of CO2 buildup in the helmet

5 - 6 pulse ignition signals (1-12 cylinder engines)

Between Stator and Turbine

077 in Wall

Fits all ""7"" Series SA rated GP models

Cloyes Original True Roller Timing Chain Set - SB Chevy (.010" Shorter) Tachometer Pickup Old air flows out ofChains in Cloyes True Roller Timing Chain Sets use oversize . 250" diameter rollers that roll as the enter and exit the sprocket teeth, reducing friction and increasing power. Cam sprockets are dynamically balanced and made from either 30, 000 PSI tensile cast iron or SAE D7003 ductile iron. Sets also have multi keyway crank sprockets, heat treated for high strength. Cloyes was founded in the early 1920s in Cleveland, Ohio, by Raymond Cloyes, who