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S&S Cycle 3-1/2" Bore Cylinder & Piston Kit - 1984-1999 Evo Big Twin - Wrinkle Black Finish

S&S Cycle

  • Cylinder and piston kits contain S&S 3-1/2" bore (80") cylinders and forged pistons, rings, wrist pins, and head and base gaskets
  • The pistons included in kits are flat-topped cast pistons designed to be used with either stock cylinder heads or with S&S Performance Replacement heads (8.8:1 compression ratio)
  • Cylinders have a tough wrinkle black powdercoat finish

    Bore Size: 89.00 mm
    Displacement: 80"
    Stroke Length: 4-1/4"
    Compression Ratio: 8.8:1