Description
Used, undamaged 77.9mm, 6 rib Stage 2 GM supercharger pulley. fits LSJ Ecotec M62 Supercharger. Requires new calibration to be downloaded to ECM by GM dealer and a set of 5.3 grams per second fuel injectors.
CARB Certified: D-126-10
Also fits other vehicles that use a press fit pulley. Dual offset. 10mm from front shaft face to bottom of 1st v groove. Opposite side is 0mm

JB Performance Holley/B&M/Weiand 250/256 and 6-71/8-71 blower to carburetor base gasket
Front cover case bolt
Rotor seal shaft sleeve 