CWR 400cc Kit
366cc Big Bore Kit
Includes piston, rings, pin & clips
365cc BORE KIT
85mm Piston, 10.5:1 Compression.
Nice increases in torque and midrange power
INCLUDES: Piston, pin, rings, circlips, headgasket
REQUIRES: Boring, rejetting
which is better???will i have to run diff gas and will i have to buy a cam or will i not need it? or would it be better if i just went with a cam and piston.
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