KB Performance Hypereutectic Piston Kit 3.437" +0.050" 9.0:1 CR 74" Big Twin - KB263.050 For Harley Motorcycles 1941-1979 Brand_Akrapovic press master-link plates and rivet

press master-link plates and rivet hollow nose and soft nose (quad stake) master link pins on O-ring and non O-ring type chains

Connecting rod side clearance 0

5 mm (2-1/2") Pullback 0 mm / 0" / 0 mm (0") Clamping Diameter 25

Product Name Rebuild Kit Type Carburetor Model Super B Color/Finish Gold / Black / Silver Base Color Silver / Gold Material Brass / Rubber Units Kit Riding Style Street

Units Kit Housing Color Gloss Black Height 4" Housing Material Aluminum Riding Style ATV Product Name Mount Kit Riding Style Street Type License Plate Riding Style UTV Width 7" Riding Style Off-Road

KB Performance Hypereutectic Piston Kit 3.437" +0.050" 9.0:1 CR 74" Big Twin - KB263.050 For Harley Motorcycles 1941-1979 Brand_Akrapovic press master-link plates and rivetFeatures Manufactured from high strength, T 5, heat treated, 390 hypereutectic aluminum alloy Allow 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 and pin lock rings available separately KB pistons