JE PISTONS Ultra Series Piston Kit

$729.99

Style Piston Kit / 4.250" / 10.25:1 CR / 114"/117" M8 Piston Kit / 4.310" / 10.25:1 CR / 114"/117" M8 Piston Kit / 4.320" / 10.25:1 CR / 114"/117" M8 Piston Kit / 4.250" / 11.25:1 CR / 114"/117" M8 Piston Kit / 4.310" / 11.25:1 CR / 114"/117" M8 Piston Kit / 4.320" / 11.25:1 CR / 114"/117" M8

Availability Low stock Fitment Check fitment information Shop Pay Pay in 4 at 0% APR

Shop Pay installment terms

Rates from 0–36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by Affirm lending partners. Options depend on your purchase amount, and a down payment may be required. State notices to consumers.

P4M+ rewards 3650 P4M+ points with this product. Plus automatic entry in our monthly giveaway. Nothing else to do.

5 pts / $1

Availability Low stock 2 available right now

Fitment Confirm compatibility Use title, description, or ask us before ordering

Part number 09106856 JE PISTONS

Shipping Fast U.S. shipping Processing starts after availability is confirmed

Fitment help Warranty support Returns & refunds Secure checkout

Parts-counter style support, online. Questions about fitment, ETA, or returns can be checked before ordering, and P4M stays responsible for order support after checkout.

JE PISTONS Ultra Series Piston Kit

JE PISTONS Ultra Series Piston Kit by JE PISTONS is a engine parts listing built for riders searching by exact product name, fitment, style, and part number.

Key Features

Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
Cermic crown coating protects the piston by reducing heat transfer
Internal and external bracing maintains optimized strength-to-weight ratio for longevity
3D undercrown milling in non-critical areas reduces overall weight
Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
Tuff Skirt is a propriety, moly based dry film skirt coating that is applied in-house and reduces operating friction for better wear resistance
Offset pin reduces piston rock and minimize engine operating noise
Skirt notches for optimal clearance at the bottom dead center
Kit includes two pistons, premium ring pack, wrist pins and wire locks

Part Numbers

0910-6856, 394138, 0910-6859, 391731, 0910-6857, 394139, 0910-6860, 394100, 0910-6858, 394140, 0910-6861, 391730

Available Styles

Piston Kit / 4.250" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.250" / 11.25:1 CR / 114"/117" M8; Piston Kit / 4.310" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.310" / 11.25:1 CR / 114"/117" M8; Piston Kit / 4.320" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.320" / 11.25:1 CR / 114"/117" M8

Available options: 6

Description

JE PISTONS Ultra Series Piston Kit

JE PISTONS Ultra Series Piston Kit by JE PISTONS is a engine parts listing built for riders searching by exact product name, fitment, style, and part number.

Key Features

Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
Cermic crown coating protects the piston by reducing heat transfer
Internal and external bracing maintains optimized strength-to-weight ratio for longevity
3D undercrown milling in non-critical areas reduces overall weight
Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
Tuff Skirt is a propriety, moly based dry film skirt coating that is applied in-house and reduces operating friction for better wear resistance
Offset pin reduces piston rock and minimize engine operating noise
Skirt notches for optimal clearance at the bottom dead center
Kit includes two pistons, premium ring pack, wrist pins and wire locks

Part Numbers

0910-6856, 394138, 0910-6859, 391731, 0910-6857, 394139, 0910-6860, 394100, 0910-6858, 394140, 0910-6861, 391730

Available Styles

Piston Kit / 4.250" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.250" / 11.25:1 CR / 114"/117" M8; Piston Kit / 4.310" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.310" / 11.25:1 CR / 114"/117" M8; Piston Kit / 4.320" / 10.25:1 CR / 114"/117" M8; Piston Kit / 4.320" / 11.25:1 CR / 114"/117" M8

Available options: 6

Key Features

Part Numbers

Available Styles