KB Performance, 1200cc B.T. STD piston kit

Compatible with stock cylinders and heads, maintains the original compression ratio. Compression ratio 8.5:1. Piston weight 370 gr. Piston pin weight 97 gr.
Head type: Dome 0.656" / Dome -57cc.
Compression height 1.450".
Bore 3.4375" / Stroke 3.969" (3-31/32").
Rod length 7.440" / Cylinder length 5.330".
Includes 390 aluminium hypereutectic cast pistons with T6 heat treatment and 16% silicon, allowing a very tight clearance for greater durability and virtually no piston noise.
Note: The top compression ring will require additional clearance. See instructions.


Specifications


Brand
KB Performance Piston


Application
41-78 74"/1200cc Knuckle, Pan, Shovel (NU)


Sales unit
Set


Material
Aluminium


Packaging weight
1.246 kg


HS Code
84099100


Motorcycle family
BIG TWIN, FX


Original name
KB Performance, 1200cc B.T. piston kit. STD