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The Peterson Fluid Systems .625-inch spline-drive hub spacer for Small Block Chevrolet applications provides accurate spacing for accessory drive assemblies. It pairs with Peterson spline drives and supports Gilmer or HTD belts to keep belt tracking correct on ATI/MSD-style setups. Choose the .625" spacer when small block Chevy offset adjustments are required for clean drive alignment.
Peterson Fluid Systems Spacer .625 Small Block Chevrolet ATI MSD
