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

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