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Peterson’s long spline drive cap kit supplies a drive cap with 2.250" spline length, nut, and a 3.500" OD washer. The oversized washer and long-cap combination deliver extended engagement and the necessary spacing for installations that require a larger-diameter washer, helping ensure proper pulley positioning and belt alignment in spline-drive configurations.
Peterson Fluid Systems Drive Washer Nut 2.250 x 3.500
