3.100"Vehicle FitmentHarley-Davidson E Knucklehead 1936-17Harley-Davidson E Knucklehead 36-17Harley-Davidson EL Knucklehead 1936-17Harley-Davidson EL Knucklehead 36-17Harley-Davidson EL Panhead...
Replacement rings for 3-1/2" and 3-5/8" bore pistons. Replaces O.E.M. 22334-78A, 22334-78B, 21920-83. Standard bore. Made in USA. Piston Rings Replacement Ring Set, Std 3-5/8"