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JE Pistons 182065 Forged Dome Piston Set Bore Alloy - 4.155 2618 8-Cylinder

(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 258239

Manufacturer

Picture for manufacturer JE Pistons

Part Number

182065
8 reviews
Sale Price

$1,096.99

1 left at this price

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Usually delivered within 2 days

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Product Details

JE Pistons 182065 is a premium forged piston set engineered for high-performance Chevy, Ford, Mopar, and Buick racing applications. Manufactured from 2618 aluminum alloy for exceptional strength and heat resistance, this 8-piston set features a 23-degree dome design, 4.155-inch bore, 1.187-inch compression distance, and 0.927-inch pin diameter.

Key Features:

  • Application-specific forgings with optimized, uniform crown thickness for durability under extreme conditions
  • Contact reduction groove minimizes frictional drag and improves efficiency
  • Accumulator groove increases top ring stability and sealing for better compression
  • CNC-machined side relief with lower support band adds critical skirt strength
  • Honed pin bores with double pressure-fed pin oilers ensure proper lubrication
  • Oil rail support included for enhanced ring package stability
  • Wire locks included for secure pin retention

Recommended ring set: J10008-4155-5. All JE Pistons are sold as precision-matched sets to ensure balanced performance. Backed by over 60 years of racing piston innovation and manufacturing excellence.

Products specifications

Fits

1970-1980 Chevrolet 400 Small Block

Block Height

9

Bore

4.155

Bore (in)

4.155 in.

Bore (mm)

105.537mm

CID

393

Comp Height

1.185

Comp Ratio @ 58CC

15.2:1

Comp Ratio @ 64cc

13.8:1

Comp Ratio @ 76CC

11.8:1

Compression Distance (in)

1.187 in.

Dome Volume

10.5

Gram Weight

469

Notes

Oil rail support included.

Oversize

0.025

Pin Diameter (in)

0.927 in.

Piston Head Volume (cc)

-10.50cc

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

3.625

Wrist Pin Style

Press-fit or floating

Oil Ring Thickness

0.218

Second Compression Ring Thickness

0.064

Out of Stock Message

Call for Availability

Engine

SMALL BLOCK CHEVROLET

Piston Avg Wt

469

Piston Pin Outside Diameter

0.927

Cylinder Head

CHEVROLET 23 DEG 20/30

Compression Height

1.187

Piston Material

2618

Bore Diameter

4.155

Add-On

J10008-4155-5

Industry

Automotive

Add-On

927-042-CS

Piston Head Type

Dome

Piston Pin Length

2.750

Make

Chevrolet

Piston Pin Wall Thickness

0.150

Piston Pin Material

5115

Ringset Included

No

Product Market

Domestic

Add-On

927-2750-15-51S

Top Compression Ring Thickness

0.064

Piston Volume

12.9

Forging Type

Round

Category Hierarchy

Pistons>Piston Kits

Prop 65

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

Wrist Pin Outer Diameter

0.927

Piston Quantity

8

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Awsome service and prices,Thanks alot

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Thank you for the quick turnaround from order to shipping the products I ordered

Good pricing, quick shipment and delivery, great seller!

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