KB Performance, large capacity piston kit 883-1200. +.020"

Standard compression. Piston kit for 883-1200 conversion. Compatible with unmodified stock heads. Factory compression ratio 9:1. Flat crown pistons, .125" below deck height, to achieve a 9:1 compression ratio with a 1.090" compression height.
Piston weight 310gr. Piston pin diameter .792" and weight 97gr.
Head type: Flat crown / Dome +0.5cc.
Compression height 1.090".
Bore 3.498" / Stroke 3.812".
Conrod length 6.926" / Cylinder length 4.650".
Includes 390 hypereutectic cast pistons with T6 heat treatment and 16% silicon content, allowing a very tight clearance for greater durability and virtually no piston noise.
Note: The top compression ring will require additional clearance. See instructions.
Note: For 883 XL 04-up models, 1200cc cylinders must be purchased. The original cylinders on XL 04-up models have liners that are too thin to be bored out to 1200 size.


Specifications


Brand
KB Performance Piston


Application
86-22 XL883 (883 to 1200 conversion)


Sales unit
Set


Material
Aluminium


Packaging weight
1.148 kg


HS Code
84099100


Motorcycle family
SPORTSTER


Original name
KB Performance, 883-1200 big bore piston kit. +.020"