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The Peterson Fluid Systems .500-inch spline-drive hub spacer for Big Block Chevrolet applications delivers reliable spacing for accessory drives. Intended for use with Peterson spline drives and compatible with Gilmer or HTD belts, it preserves belt alignment in ATI/MSD-style configurations. Use this .500" spacer when you need consistent, accurate offset for big block Chevy accessory installations.
Peterson Fluid Systems Spacer .500 Big Block Chevrolet ATI MSD
