For 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)
Fully assembled with premium quaility S&S® heavy duty 7.659" connecting rods, with full width wrist pin ends, and dynamically balanced
Trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels
Pinion and sprocket shafts are forged as part of the flywheel