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883cc to 1200 cc Conversion Big Bore Piston Kit For Harley-Davidson Sportster
- Manufactured from OEM quality aluminum alloy
- Sifton pistons with moly coating that extends piston life
- Converts 883cc to 1200cc
- Re-uses stock 883 heads
- Includes 2 pistons, wrist pins, clips and Hastings rings
- Piston set has a 9.5:1 compression
- 1200 stantard STD diamenter bore
- Requires cylinder boring only
- Fits 1986 and later XL 883 models