KB Performance, 883- Big Bore Piston Kit. +.040″ For Harley
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High compression.
883-1200 conversion piston set.
Compatible with stock unmodified cylinder heads.
10:1 Compression ratio.
Piston weight 335gr.
Piston pin diameter
.792″ and weight 97gr.
Head type: Dish.
Dome +10cc.
Compression height 1.210″.
Bore 3.498″.
Stroke 3.812″.
Rod length 6.926″.
Cyl. length 4.650″.
Comes with T5 heat treated 390 Hypereutectic cast pistons with 16% siliconenrubber levels which enables running a very tight clearance for longevity and hardly any piston noise.
Note: Top compression ring will need additional clearance.
See instructions.
Note: 1200cc cylinders must be purchased for 04-up 883 XL models.
Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.
Fits: > 86-22 XL883 (883 to 1200 conversion)
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