FITS small and big block Chevy engines such as 283, 305, 307, 327, 350, 383 (stroker), 396, 400, 427, 454, 502, and others based on the popular platform NECESSARY WHEN using a steel billet roller camshaft or high-volume oil pump (should not be used with a cast or steel camshaft that has an integral iron distributor drive gear). FOR THE FOLLOWING DISTRIBUTORS: MSD, Accel 34 and 41 series, JEGS Brand part numbers 555-40520, 555-40060, 555-40061, and possibly others MADE IN USA with high quality components and assembly SPECIFICATIONS: 0.500” shaft Bronze Distributor GearChevy V80.500" Shaft
Fits:MSDAccel 34, 41 SeriesJEGS 555-40520JEGS 555-40060JEGS 555-40061Made in the USA