Big Bore Piston Kit - 124" - +.010 - M8Big Bore Piston Kit 124" +. 010 M8 Piston kit includes set of pistons, rings, wristpins, and clip Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S

Limited Lifetime Warranty

18 mm O2 Ports with 12 mm adapters are provided

Clear Tear Air Cleaner Kit - Chrome

Step-Up Seat - Driver Lattice Stitch - Black - Indian Scout '25

3" Mufflers - Chrome - Slash-Cut - Sportster '04-'13

6061-T6 aluminum construction

Spider Rotor Adaptor - Gold

Footpegs - Dual Ring - Black

Gauge Relocation Kit - Chrome

5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rods

6 mm hex & T30 Torx bits

optional ARP oil pump bolts do not use washers