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JE Pistons 182053 Forged Dome Piston Set Bore - 4.125 8-Piece

(1970-1980 Chevrolet 400 Small Block)

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 182027

Manufacturer

Picture for manufacturer JE Pistons

Part Number

182053
9 reviews
Sale Price

$1,076.99

1 left at this price

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Product Details

The JE Pistons 182053 is a premium forged piston set engineered for high-performance racing engines. Manufactured from 2618 aluminum alloy, these pistons deliver exceptional strength and durability under extreme cylinder pressures and temperatures. The set includes 8 pistons with a 23-degree dome configuration and solid dome design for increased compression ratio.

Key Specifications:

  • Bore: 4.125 inches
  • Compression Distance: 1.125 inches
  • Pin Diameter: 0.927 inches
  • Material: 2618 forged aluminum alloy
  • Dome Style: 23-degree solid dome
  • Recommended Ring Set: J10008-4125-5

Performance Features:

  • Application-specific forgings with optimized, uniform crown thickness for consistent heat distribution
  • 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 for additional skirt strength and stability
  • Honed pin bores ensure precise fit and reduced friction
  • Double pressure-fed pin oilers for enhanced lubrication
  • Wire locks included for secure pin retention
  • Oil rail support included for proper ring function

JE Pistons are manufactured as matched sets to ensure proper balance and consistent performance across all cylinders. Backed by over 60 years of racing piston expertise, JE Pistons continues to be the trusted choice for Chevy, Ford, Mopar, and Buick performance engine builders.

Products specifications

Fits

1970-1980 Chevrolet 400 Small Block

Block Height

9

Bore

4.125

Bore (in)

4.125 in.

Bore (mm)

104.775mm

CID

401

Comp Height

1.125

Comp Ratio @ 58CC

13.8:1

Comp Ratio @ 64cc

12.7:1

Comp Ratio @ 76CC

11:1

Compression Distance (in)

1.125 in.

Dome Volume

3

Gram Weight

450

Notes

Oil rail support included. Solid dome design.

Oversize

STD

Pin Diameter (in)

0.927 in.

Piston Head Volume (cc)

-3.00cc

Piston Material

Forged aluminum

Piston Ring Thickness

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

Piston Style

Dome, with two valve reliefs

Quantity

Sold individually.

Rod

6

Stroke

3.75

Wrist Pin Style

Press-fit or floating

Engine

SMALL BLOCK CHEVROLET

Add-On

927-042-CS

Compression Height

1.125

Piston Pin Length

2.750

Make

Chevrolet

Oil Ring Thickness

0.218

Top Compression Ring Thickness

0.064

Cylinder Head

CHEVROLET 23 DEG 20/30

Piston Material

2618

Second Compression Ring Thickness

0.064

Industry

Automotive

Product Market

Domestic

Piston Head Type

Dome

Add-On

J10008-4125-5

Piston Pin Material

5115

Piston Pin Wall Thickness

0.150

Forging Type

Round

Category Hierarchy

Pistons>Piston Kits

Piston Pin Outside Diameter

0.927

Out of Stock Message

Call for Availability

Bore Diameter

4.125

Add-On

927-2750-15-51S

Piston Volume

5.6

Ringset Included

No

Piston Avg Wt

450

Wrist Pin Outer Diameter

0.927

Prop 65

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

Piston Quantity

8

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