Compl Pistonkit 61CI Knuckle/Pan +.010

Stock replacement piston for 7.1:1 compression ratio, 3 5/16" bore 61CI (1,000 cc). Fits 1936 thru 1947 Knucklehead and 1948 thru 1953 Panhead models. Piston kit contains 2 pistons with piston pins, circlips and piston rings.