Kb Pistons Piston Super Duty 4.125" Bore M8 114/117 to 120" +.010 - KB542LCA.010 For Harley Motorcycles 2017-2020 Brand_Fat Baggers Inc. thread diameter is

thread diameter is

For gear or chain drive cams (block-off plate PART #0932-0036 required when using gear drive cams)

mounting ring

Wire/Cable Length 4' Diameter 9

Heavy-duty springs approximately 20% stronger than OEM

Kb Pistons Piston Super Duty 4.125" Bore M8 114/117 to 120" +.010 - KB542LCA.010 For Harley Motorcycles 2017-2020 Brand_Fat Baggers Inc. thread diameter isFeatures Anodized top ring groove and crown Line2Line abradable skirt coating applied to . 003" total thickness for a ZERO initial fit to allow coating to hone in for a tight quiet running clearance Round wire locks Premium Hastings 1. 2mm 1. 2mm 3. 0mm Steel Nitride top ring with a Ductile Napier second Forced wrist pin oiling M8 version with flat top 1. 2cc with compression height 1. 083", valve pockets sized to accommodate 1mm oversize valves 2017