Wiseco, 883 to 1200 XL Conversion Piston Kit. STD

9.5:1 compression. Converts your XL883 or XL1100 Sportster; re-using your stock cylinders; on 86-03 XL only; to 1200cc. Complete with reversed dome forged pistons; rings; wrist pins and circlips. Will install without modification to cylinder head. Piston weight approximately the same as stock; rebalancing is not necessary. Compression around 9.5:1. Tests have shown a 26% power increase on 883 models. Note: For 04-up XL models 1200cc cylinders must be used. The stock 04-up 883 cylinder liners are too thin for boring to 1200 size.

Fitment: 86-22 XL883 when converted to 1200cc (NU)

Suitable where the listed fitment matches.