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JE Pistons 379436 FSR Ultra Series Piston Kit Compression - 82.00mm 13.5 1

(1999-2007 Suzuki GSX1300R Hayabusa Base)

Part of: JE Pistons FSR Ultra Series Piston Kit Bore Compression

Other options in this family: JE Pistons 379448 JE Pistons 379447 JE Pistons 379434 JE Pistons 379439 JE Pistons 379442

Manufacturer

Picture for manufacturer JE Pistons

Part Number

379436
8 reviews
Sale Price

$1,274.99

Estimated ship date Sunday, November 15

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Product Details

The JE Pistons 379436 FSR Ultra Series Piston Kit delivers race-proven performance engineering for high-compression applications. This kit features pistons machined to 82.00mm bore diameter (1.00mm oversize) with a 13.5:1 compression ratio, designed for maximum power output in demanding motorsports environments.

Key Features:

  • FSR (Forged Side Relief) Ultra Series design for reduced friction and increased power
  • 82.00mm bore diameter (1.00mm oversize from standard)
  • 13.5:1 compression ratio optimized for race fuel applications
  • Precision-forged 2618 aluminum alloy construction for exceptional strength-to-weight ratio
  • Advanced skirt coating reduces friction and improves ring seal
  • Includes pistons, rings, pins, and clips for complete installation
  • Asymmetrical FSR skirt design maximizes strength while minimizing weight

JE Pistons FSR Ultra Series pistons are designed for serious racing applications where maximum compression and reliability are critical. The forged construction withstands extreme cylinder pressures while the precision machining ensures optimal ring seal and oil control. This kit is ideal for builders seeking professional-grade components for naturally aspirated high-performance engines.

Products specifications

Fits

1999-2007 Suzuki GSX1300R Hayabusa Base

Piston Head Type

Dome

Piston Material

2618

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Bore Diameter

3.228

Forging Type

FSR

Lateral Gas Ports

Yes

Piston Volume

-2

Engine Type

ICE

Product Type

Engine Piston Kit

Industry

Powersports

Wrist Pin Length

2.250

Piston Series

JE Pistons

2nd Groove Width

0.048

3D Undercrown Milling

No

Accumulator Groove

Yes

Anodize Top Ring Groove

No

Combo 2

No

Contact Reduction

No

Double Pin Oilers

No

DVGP

No

Econo Undercrown Milling

No

EN Plating

No

Gas Distribution

No

Mill Undercrown

No

Oil Groove Width

0.11100

Pin Fit

Yes

Skirt Coat

Yes

Smooth Crown Finish

No

Top Groove Width

0.04000

Tuff Skirt

No

Ultra Dome

No

Ultra Groove

No

Ultra Groove Plus Gas Port

No

Vertical Gas Ports

No

Cylinder Head

SUZUKI M/C 01

Wrist Pin Outer Diameter

.787

Engine Stroke

2.480

Product Market

Powersports

Compression Ratio Actual

13.5

Piston Average Weight

262

Exhaust Angle

13

Exhaust Depth

.120

Exhaust Diameter

1.250

Intake Angle

13

Intake Depth

.184

Intake Diameter

1.420

Piston To Wall Clearance

-0.0025

Thermal Crown

Yes

The order arrived in 2 days and was the correct item at a consistent price with other site.

Best service

Next day delivery was great! No complaints!

Great service

quick correct order and shipment

Easy to purchase.

Excellent in every aspect.

so far looks good

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