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JE Pistons 232514 Forged Piston Set Bore Alloy Inverted Dome - 4.125 2618 8-Piece

(1970-1980 Chevrolet 400 Small Block)

Part of: JE Pistons Forged Piston Set Bore Alloy Inverted Dome

Other options in this family: JE Pistons 314438 JE Pistons 345814 JE Pistons 284780 JE Pistons 298728 JE Pistons 297051

Manufacturer

Picture for manufacturer JE Pistons

Part Number

232514
8 reviews
Sale Price

$1,096.99

Estimated ship date Sunday, November 15

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Product Details

JE Pistons 232514 is a premium 8-piston set featuring 2618 forged aluminum alloy construction with a 23-degree inverted dome design for high-performance engine builds. These extreme-duty pistons are engineered with a 4.125-inch bore, 1.445-inch compression distance, and 0.927-inch pin diameter for precise fitment in racing and performance applications.

Key Features:

  • Application-specific forgings ensure optimized, uniform crown thickness for strength and heat management
  • Contact reduction groove minimizes frictional drag and improves efficiency
  • Accumulator groove increases top ring stability and sealing performance
  • CNC-machined side relief with lower support band provides additional skirt strength
  • Honed pin bores with double pressure-fed pin oilers for enhanced lubrication
  • Wire locks included for secure pin retention

Built on over 60 years of racing piston expertise, JE Pistons delivers industry-leading forged pistons for Chevy, Ford, Mopar, and Buick engines. These pistons are sold as precision-matched sets to ensure balanced performance. Recommended ring set: J100F8-4125-5.

Products specifications

Fits

1970-1980 Chevrolet 400 Small Block

Block Height

9.02

Bore

4.125

Bore (in)

4.125 in.

Bore (mm)

104.775mm

CID

400

Comp Height

1.445

Comp Ratio @ 58CC

8.9:1

Comp Ratio @ 64cc

8.5:1

Comp Ratio @ 76CC

7.8:1

Compression Distance (in)

1.445 in.

Dome Volume

-36

Gram Weight

512

Notes

0.310 inch deep valve pockets.

Pin Diameter (in)

0.927 in.

Piston Head Volume (cc)

+36.00cc

Piston Material

Forged aluminum

Piston Ring Thickness

1/16 in. x 1/16 in. x 3/16 in.

Piston Style

Dish, with a D-shaped cup

Quantity

Sold individually.

Rod

5.7

Stroke

3.75

Wrist Pin Style

Press-fit or floating

Industry

Automotive

Ringset Included

No

Piston Pin Outside Diameter

0.927

Piston Pin Material

5115

Add-On

927-042-CS

Out of Stock Message

Call for Availability

Compression Height

1.445

Piston Pin Wall Thickness

0.150

Product Market

Domestic

Piston Head Type

Dish

Engine

SMALL BLOCK CHEVROLET

Add-On

927-2950-15-51S

Make

Chevrolet

Add-On

J100F8-4125-5

Piston Volume

-36.7

Second Compression Ring Thickness

0.064

Piston Material

2618

Top Compression Ring Thickness

0.064

Oil Ring Thickness

0.188

Piston Avg Wt

520

Forging Type

Round

Piston Pin Length

2.950

Bore Diameter

4.125

Category Hierarchy

Pistons>Piston Kits

Cylinder Head

CHEVROLET 23 DEG 20/30

Prop 65

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

Piston Quantity

8

Wrist Pin Outer Diameter

0.927

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