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JE Pistons 118758 Forged Dome Piston Set Bore - 4.280 8-Cylinder

Part of: JE Pistons Forged Dome Piston Set Bore

Other options in this family: JE Pistons 353906 JE Pistons 186235 JE Pistons 359152 JE Pistons 361278 JE Pistons 258239

Manufacturer

Picture for manufacturer JE Pistons

Part Number

118758
4 reviews
Sale Price

$1,076.99

1 left at this price

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Usually delivered within 2 days

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Product Details

The JE Pistons 118758 is a premium forged piston set designed for high-performance V8 engine builds. Manufactured from 4032 aluminum alloy, these pistons deliver exceptional strength and heat resistance for demanding racing and street performance applications. This set includes 8 dome-style pistons with a 4.280-inch bore diameter, 1.955-inch compression distance, and 1.031-inch wrist pin diameter.

Key Features:

  • 4032 forged aluminum construction for superior strength-to-weight ratio
  • Application-specific forgings with optimized, uniform crown thickness
  • Contact reduction groove to minimize frictional drag and power loss
  • Accumulator groove for increased top ring stability and improved sealing
  • CNC-machined side relief with lower support band for additional skirt strength
  • Honed pin bores for precise fitment and reduced friction
  • Double pressure-fed pin oilers for enhanced lubrication
  • Wire locks included with each piston

Specifications:

  • Bore Diameter: 4.280 inches
  • Compression Distance: 1.955 inches
  • Wrist Pin Diameter: 1.031 inches
  • Crown Style: Dome
  • Recommended Ring Set: JP00F8-4280-5

JE Pistons are sold as precision-matched sets to ensure balanced performance and optimal engine operation. With over 60 years of experience manufacturing forged racing pistons for Chevy, Ford, Mopar, and Buick engines, JE Pistons continues to set the standard for performance piston technology.

Products specifications

Bore

4.28

Bore (in)

4.280 in.

Bore (mm)

108.712mm

CID

431

Comp Height

1.955

Comp Ratio @ 168cc

10.8:1

Comp Ratio @ 174cc

10.2:1

Compression Distance (in)

1.955 in.

Dome Volume

88

Gram Weight

823

Notes

4032 aluminum alloy.

Oversize

0.025

Pin Diameter (in)

1.031 in.

Piston Head Volume (cc)

-88.00cc

Piston Material

Forged aluminum

Piston Ring Thickness

5/64 in. x 5/64 in. x 3/16 in.

Piston Style

Dome, with two valve reliefs

Quantity

Sold individually.

Rod

6.86

Stroke

3.75

Wrist Pin Style

Press-fit or floating

Top Compression Ring Thickness

0.08

Cylinder Head

426 HEMI

Oil Ring Thickness

0.188

Second Compression Ring Thickness

0.08

Forging Type

Round

Piston Pin Wall Thickness

0.170

Compression Height

1.955

Add-On

031-2930-17-51S

Piston Volume

88

Piston Head Type

Dome

Piston Pin Outside Diameter

1.031

Piston Material

4032

Add-On

JP00F8-4280-5

Bore Diameter

4.280

Product Market

Domestic

Piston Pin Length

2.930

Piston Avg Wt

830

Piston Pin Material

5115

Industry

Automotive

Category Hierarchy

Pistons>Piston Kits

Add-On

031-042-CS

Make

Chrysler

Ringset Included

No

Out of Stock Message

Call for Availability

Engine

426 HEMI

Prop 65

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

Piston Quantity

8

Quick response on order and said it would be here in a few days.<br>Would use Autoplicity again.

Fantastic prices, lowest on the 'net. Easy ordering, easy pay and fast fast fast shipping. You can't go wrong!

Order Process was quick and easy. I would highly recommend this site.

I couldn't believe the low price! Glad I found this website, I will definitely be a return costumer.

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