S&S CYCLE 3-7/16" Bore Cylinder and Stroker Piston Kit - Big Twin 91-9017 Honda Monkey ABS Base 2021 Polaris Trail 1993

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S&S CYCLE 3-7/16" Bore Cylinder and Stroker Piston Kit - Big Twin 91-9017 Honda Monkey ABS Base 2021 Polaris Trail 19933 7 16" Bore Cylinder and Stroker Piston Kit Big Twin 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 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 high tensile