In stock

Wiseco Piston Kit — 4.125" Bore — 117 CI — 107" M8

Wiseco · #0903-1553 · Top End / Engine

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

$576.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features11 features

Flat top with +4 cc volume.

Includes:

• 2x Black Edition Piston

• 2x Ring Sets

• 2x Wrist Pins

• 4x Cirlips

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.

Specifications13 specs

Piston Material: Forged 2618 Aluminum
Stroke Length: 4.375"
Skirt Coating: ArmorFit™
Compression Ratio: 11.0:1
Units: Kit
Bore Size: 4.125"
Riding Style: Street
Displacement: 117 CI
Piston Diameter: 4.122"
Model: Black Edition™
Shipping weight: 2.7 lb
Package size: 9.6 × 5 × 4.4 in
Country of origin: USA

Fitment21 models · Harley-Davidson

Harley-Davidson21 models

FLDE Deluxe 1072018–2020
FLFB Fat Boy 1072018–2020
FLHC Heritage Classic 1072018–2021
FLHR Road King2017–2022
FLHRXS Road King Special2017–2018
FLHT Electra Glide Standard2019–2022
FLHTCU Electra Glide Ultra Classic2017–2019
FLHTCUTG Tri Glide Ultra2017–2018
FLHTK Ultra Limited2017–2018
FLHTKL Ultra Limited Low2017–2018
FLHX Street Glide2017–2023
FLHXS Street Glide Special2017–2018
FLRT Freewheeler2017–2018
FLSB Sport Glide 1072018–2024
FLSL Softail Slim 1072018–2021
FLTRU Road Glide Ultra2017–2018
FXBB Street Bob 1072018–2020
FXBR Breakout 1072018–2019
FXFB Fat Bob 1072018–2020
FXLR Low Rider 1072018–2020
FXST Softail Standard 1072020–2024

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0903-1553
Wiseco part #: K2799

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Wiseco?: Yes. It’s new and genuine, straight from Salto — Wiseco part #K2799.