S&S CYCLE - 3-7/16" BORE CYLINDER AND STROKER PISTON KIT - BIG TWIN drag_part_06302602 machined from billet 6061 aluminum

machined from billet 6061 aluminum

1979-1981 Harley-Davidson FLHC Electra Glide Classic (Street)

3 Year limited warranty

2014-2020 Harley-Davidson XL1200T SuperLow 1200T (Street)

S&S CYCLE - 3-7/16" BORE CYLINDER AND STROKER PISTON KIT - BIG TWIN drag_part_06302602 machined from billet 6061 aluminum3 7 16" Bore Cylinder and Stroker Piston Kit Big Twin Highlights Cylinder and piston kit can be used to build 84", 86" or 88" stroker engines, or to replace the cylinders and piston in an engine with an existing S&S(R) stock bore stroker kit Can be used in engines with 4 1 2", 4 5 8" or 4 3 4" stroke flywheels 4 1 2" Stroke 84" 8. 4: 1 Compression 4 5 8", Stroke 86" 9. 4: 1 Compression 4 3 4", Stroke 88" 10. 8: 1 Compression Includes 3. 4375" bore