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Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy
Allows a tighter fit and longer piston and ring life
Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005″) tolerances from piston to piston
Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
Replacement piston rings sold separately
Bore Oversize: Standard
Units: Kit
Product Name: Piston Kit
Bore Size: 3.750″
Compression Ratio: 10.5:1
Piston Material: Hypereutectic Alloy
Riding Style: Street
Weight: 3.2
Height: 4.81
Length: 9.58
Width: 4.9
KB Performance KB426C.STD – Piston Kit – Twin Cam 88
Original price was: $251.70.$62.92Current price is: $62.92.






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