S&S Cycle 106-5514 3-1/2" +.030", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines pint glass this cap also includes an

this cap also includes an adjustable-snap back closure for a fit that's consistently right

Emissions legal in all 50 States

For Braking System: with ABS Length Imperial: 15-3/4"

Manufacturer & Certification: ANSI-rated for on-the-bike use

Fat Baggers 618016-B

S&S Cycle 106-5514 3-1/2" +.030", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines pint glass this cap also includes anS&S Cycle 106 5514 These 3 1 2" +. 030" 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