10 Rib Supercharger Crank Pulley - 9.170 17% OD - LSA Offset - Black Anodized ALTAC Improved internal flow path increases

Improved internal flow path increases output by 5% without sacrificing low flow performance

Confirmed Fitment with Direct Drive Superchargers running or OE Triple Idler Bracket and Adjustable Tensioner Bracket with a 58MM Tensioner Pulley

Designed to cap off the LT4 water pump oil cooler fitting in the bottom of the pump for deleting the factory oil cooler

This will not work for pumps that have a pressed in steel tube and are already a remote reservoir style pump

90 Degree -10AN Male threaded to 5/8" O

10 Rib Supercharger Crank Pulley - 9.170 17% OD - LSA Offset - Black Anodized ALTAC Improved internal flow path increasesCompatible with LSA 2650 Superchargers using LSA Offset 10 rib crank pulley 9. 170 dia. with 10 Rib. Bolt's to aftermarket harmonic damper's using the classic SBC BBC bolt pattern such as the ATI 918854 and 918859 LSA Damper. Flex Drive Belts LSA KONG 3. 25 trough 2. 625 Upper 70. 0" Continental 4100700 Magnuson Hot Rod with 3. 00 Upper Pulley 78. 9" Continental 4100789