3-1/2" +.020", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines 7" headlights harley This package includes:

This package includes:

Engine features 4-5/8" stroke X 4-1/8" bore at 10

4 axes CNC Machined from billet aluminum or brass

5 wheel requires a triple tree rake equivalent to what would typically be used on the traditional 23 x 3

Orange anodize finish

3-1/2" +.020", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines 7" headlights harley This package includes:These 3 1 2" +. 020" bore pistons fit 1979 '84 80" HD big twin engines, producing 8: 1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the advanced skirt profiles, allow them to be fit tighter resulting in low engine noise and long engine life. In the past, this could only be achieved with weaker cast pistons. S&S will fit these pistons to your existing cylinders (when purchasing new cylinders,