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JE Pistons 257666 Forged Flat Top Piston Set Bore Alloy - 4.440 2618 8-Piece

Manufacturer

Picture for manufacturer JE Pistons

Part Number

257666
4 reviews
Sale Price

$997.99

Estimated ship date Sunday, November 15

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Product Details

JE Pistons 257666 is a complete 8-piston set featuring premium 2618 aluminum alloy construction with flat top design. Engineered for high-performance racing applications, these forged pistons deliver exceptional strength and durability under extreme conditions with a 4.440-inch bore diameter, 1.350-inch compression distance, and 0.990-inch pin bore.

Key Features:

  • Application-specific forgings optimized for uniform crown thickness and heat distribution
  • Contact reduction groove minimizes frictional drag for improved performance
  • Accumulator groove increases top ring stability and sealing capability
  • CNC-machined side relief with lower support band for enhanced skirt strength
  • Precision-honed pin bores with double pressure-fed pin oilers included
  • Wire locks included for secure pin retention
  • JE ProSeal piston rings included with complete set

Each JE Pistons set is precision-matched to ensure balanced performance across all cylinders. With over 60 years of manufacturing excellence, JE Pistons remains the trusted choice for Chevy, Ford, Mopar, and Buick racing engines demanding maximum reliability and power.

Products specifications

Block Height

10.3

CID

532

Comp Height

1.35

Comp Ratio @ 72cc

13.4:1

Dome Volume

-5

Gram Weight

TBA

Oversize

0.077

Rod

6.8

Stroke

4.3

Out of Stock Message

Call for Availability

Piston Pin Material

5115

Cylinder Head

M-6049-SCJ

Top Compression Ring Thickness

0.064

Piston Volume

-6.3

Piston Pin Outside Diameter

0.990

Ringset Included

No

Piston Avg Wt

572

Category Hierarchy

Pistons>Piston Kits

Oil Ring Thickness

0.188

Forging Type

Round

Compression Height

1.350

Add-On

990-042-CS

Second Compression Ring Thickness

0.064

Make

Ford

Piston Material

2618

Engine

BIG BLOCK FORD

Piston Pin Length

2.930

Add-On

990-2930-15-51S

Piston Pin Wall Thickness

0.150

Industry

Automotive

Bore Diameter

4.440

Add-On

J100F8-4440-5

Piston Head Type

Flat

Product Market

Domestic

Prop 65

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

Piston Quantity

8

Great price and fast shipping!

easy site to nav and order. quick shipping and the very best prices i found on the net. whats not to like about this company<br>thanks!

Very competitive low prices and great product selection. Will definitely look to this vendor when purchasing automotive parts in the future.

Although there was a mix up with the shipping on my order customer service was helpful and expedited the solution and made it worth my trouble. I will be keeping Autoplicity in mind for any other parts I might need for my Jeep.

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