1200cc Conversion Piston Kit for 1986-'16 HD® Sportster® Models - 3-1/2" STD Bore FLOORBOARDS - BAD DAD SOFTAIL Torpedo or Hammer end caps

Torpedo or Hammer end caps

FORGED BILLET ALUMINUM BACKING PLATE:

Formed Stainless Steel

Partial Super E carburetor kits do not include manifolds and are designed for the individual who purchases an S&S engine kit

1200cc Conversion Piston Kit for 1986-'16 HD® Sportster® Models - 3-1/2" STD Bore FLOORBOARDS - BAD DAD SOFTAIL Torpedo or Hammer end capsThis 883cc to 1200cc conversion piston kit features forged pistons that convert any 883cc or 1100cc engine to 1200cc. Bore the stock 1985 '03 cylinders from 3 inch to 3 1 2" bore. For 2004 '16 models we recommend that new 3 1 2 inch bore cylinders be purchased. No combustion chamber modifications are required due to the dished piston dome. Stock 883 heads produce a reasonable 9. 6: 1 compression ratio. No engine removal, crankcase splitting, or