KB Performance 120" Big Bore +.020" Super Duty Forged Piston Kit Harley 17-20 M8

Designer: KB Performance

Regular
$398.95
Sale
$398.95
Regular
Sold Out
Unit Price
per 
SKU KB542LCA.020

Email me when this is available

Free delivery to the Lower 48 States
30 Day Returns and Exchanges
Fitmet Questions? Call us at 610-754-8500
Brand New

Part # KB542LCA.020

KB Performance 120" Big Bore Super-Duty Forged Piston Kit for 114"/117" M8 Engines

Fits Harley 2017+ M-Eight 114"/117" Models

+0.020" Bore

Super Duty Series includes:

Anondized top ring groove and crown

New skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinder

Skity coating eliminates piston rock for the best possible ring seal with no piston slap noise
 
Round wire locks

Steel nitride top ring with a Ductile Napier second

Forced wrist pin oiling

Flat Top 1.2cc design with oversized valve pockets to accept 1mm larger valves

Compression Height 1.083"

Factory 117" Cylinders can safely be bored to 4.125" through 4.165"

Bore Size: 104,77 mm / 104.77 mm

Piston Size: +0.020

Displacement: 117"

Stroke Length: 4-1/2" / 4-1/2"

Compression Ratio: 11,0:1 / 11.0:1