S&S Flathead Power Standard Forged 3-5/8 in. Bore Piston for Harley Davidson 1936-84 OHV Big Twin models electrical 1997-2011 Yamaha XVS650 V Star

1997-2011 Yamaha XVS650 V Star Custom

2013-2013 Victory Hard-Ball

The universal fit works with most OEM and aftermarket air cleaners

2008-2011 Harley Davidson FLHTC Electra Glide Classic

S&S Flathead Power Standard Forged 3-5/8 in. Bore Piston for Harley Davidson 1936-84 OHV Big Twin models electrical 1997-2011 Yamaha XVS650 V StarS&S Flathead Power Standard Forged 3 5 8 in. Bore Piston for Harley Davidson 1936 84 OHV Big Twin models This forged 3 5 8in. bore stroker piston replaces several cast and forged big bore piston that S&S previously offered, Applications for this piston include 88in. (4 1 4in. stroke), 93in. (4 1 2in. stroke) and 96in. (4 5 8in. stroke) engines with stock 8 1 2in. diameter flywheels and 98in (4 3 4in. stroke) and 103in. (5in. stroke) engines with 8 1