S&S Cycle 106-5513 3-1/2" +.020", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines canvas 8" spoke mounted factory FLT

8" spoke mounted factory FLT front rotors

Material: Stainless Steel Mounting Position: Front Product Name: Brake Line Riding Style: Street Size Imperial: Oversize [4"] Type: Extended Units: Each Fitment

This kit must be used with 4-5/8" flywheels resulting in 124' displacement

08-16 FLT / 16-17 FLST & FXDLS (FBW)

Riding Style: Street Units: Pair Fitment

S&S Cycle 106-5513 3-1/2" +.020", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines canvas 8" spoke mounted factory FLTS&S Cycle 106 5513 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