Engine Parts
Piston Kit M8 117ci 4.075
Part # 0903-1678
$576.95
NY: 0
National: 5
- —Features ArmorX™ piston coating for superior protection in extreme conditions and reduced wear
- —ArmorFit™ skirt coating auto-adjusts to the cylinder wall so there’s no need to measure clearance; provides smooth, quiet, trouble-free operation
- —Dome design for improved flame travel to maximize air/ fuel burn efficiency
- —High compression (11:1) for added power
- —Superfinish piston pin reduces friction and improves scuff resistance
- —Enhanced pin oiling for improved lubrication and reduced friction
- —Augmented ring land details improve ring seal and function
- —Dedicated rings for precise fit, improved compression and oil control
- —Kit includes two pistons, rings, piston pins and circlips
- —Made in the USA
- —Fits OEM and Screamin’ Eagle cylinder heads.
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Piston MaterialForged 2618 Aluminum
Product NamePiston Kit
Compression Ratio11.1:1
Skirt CoatingArmorFit™
Stroke Length4.500"
ModelBlack Edition™
UnitsKit
Displacement117 CI
Bore Size4.075"
Piston Diameter4.072"
Riding StyleStreet
Weight2.75 lbs
Dimensions (L x W x H)9.73" x 5.11" x 4.29"
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FXBBS Street Bob 1142021
FXFBS Fat Bob 1142021
FLHT Electra Glide Standard2021
FLHTK Ultra Limited2021
FXLRS Low Rider S 1142021
FXFBS Fat Bob 1142020
FLHTK Ultra Limited2020
FXLRS Low Rider S 1142020
FXDRS FXDR 1142020
FLHXS Street Glide Special2020
FXBRS Breakout 1142020
FLHR Road King2020
FLHT Electra Glide Standard2020
FLHCS Heritage Classic 1142020
FLFBS Fat Boy 1142020
FLTRXS Road Glide Special2020
FLHR Road King2019
FLHT Electra Glide Standard2019
FXBRS Breakout 1142019
FXDRS FXDR 1142019
FLFBS Fat Boy 1142019
FLHCS Heritage Classic 1142019
FLTRXS Road Glide Special2019
FLHTK Ultra Limited2019
FXFBS Fat Bob 1142019
FLHXS Street Glide Special2019
FXFBS Fat Bob 1142018
FLHTK Ultra Limited2018
FXBRS Breakout 1142018
FLHXS Street Glide Special2018
FLHR Road King2018
FLHCS Heritage Classic 1142018
FLFBS Fat Boy 1142018
FLTRXS Road Glide Special2018
FLHXS Street Glide Special2017
FLHTK Ultra Limited2017
FLHR Road King2017
FLTRXS Road Glide Special2017
Not sure it fits? Call our Harley techs at 607-654-7431.














