S&S Cycle 106-5514 3-1/2" +.030", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines Grady Fits head size Small and

Fits head size Small and Medium

moly lube and Loctite

11-14 FLSTC Heritage Softail Classic

adding a unique and meaningful touch to the piece

S&S Cycle 106-5514 3-1/2" +.030", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines Grady Fits head size Small andS&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