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JE Pistons 257944 Piston Set, 2618, Inv Dome/dish, 4.560 Bore, 1.270 Cd, 0.990 Pin, Set Of 8.

Part of: JE Pistons Piston Set Inv Dome/dish Bore Cd Pin Set Of

Other options in this family: JE Pistons 296348 JE Pistons 291059 JE Pistons 367877 JE Pistons 367846 JE Pistons 357430

Manufacturer

Picture for manufacturer JE Pistons

Part Number

257944
6 reviews
Sale Price

$1,076.99

Estimated ship date Monday, November 09

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Product Details
JE Pistons
Inverted Dome
Oil Rail Support is Included
Set of 8 Pistons
Recommended RingSet: J100S8-4560-5

For over 60 years, JE Pistons has been the industry leader in forged racing pistons for Chevy, Ford, Mopar and Buick engines.

*Application Specific Forgings for an Optimized, Uniform Crown Thickness
*Contact Reduction Groove to Minimize Frictional Drag
*Accumulator Groove for Increased Top Ring Stability and Sealing
*CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
*Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included

JE Pistons are sold as matched sets.

Products specifications

Block Height

9.78

Bore (in)

4.560 in.

Bore (mm)

115.824mm

CID

555

Comp Height

1.27

Comp Ratio @ 110cc

9:1

Comp Ratio @ 118cc

8.6:1

Comp Ratio @ 124cc

8.3:1

Compression Distance (in)

1.270 in.

Dome Volume

-20

Gram Weight

591

Notes

Oil rail support included.

Oversize

0.09

Pin Diameter (in)

0.990 in.

Piston Head Volume (cc)

+20.00cc

Piston Material

Forged aluminum

Piston Ring Thickness

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

Piston Style

Dish, with single valve relief

Quantity

Sold individually.

Rod

6.385

Stroke

4.25

Wrist Pin Style

Press-fit or floating

Bore Diameter

4.560

Piston Volume

-20

Piston Avg Wt

593

Piston Pin Length

2.930

Add-On

990-042-CS

Forging Type

Round

Piston Pin Wall Thickness

0.180

Top Compression Ring Thickness

0.064

Piston Pin Outside Diameter

0.990

Out of Stock Message

Call for Availability

Add-On

990-2930-18-51S

Piston Head Type

Dish

Make

Chevrolet

Add-On

J100S8-4560-5

Piston Material

2618

Oil Ring Thickness

0.218

Industry

Automotive

Piston Pin Material

5115

Compression Height

1.270

Category Hierarchy

Pistons>Piston Kits

Cylinder Head

OPEN CHAMBER

Ringset Included

No

Product Market

Domestic

Engine

BIG BLOCK CHEVY

Second Compression Ring Thickness

0.064

Prop 65

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

Piston Quantity

8

Exactly what I ordered for the best price and fast, too!

Shipped very quickly and had the best price I could find!

Im very satisfied with how fast i received my product from Autoplicity! The whole process was hassle free. If you looking for quality product for a great price than i would recommend Autoplicity!

Super group to deal with! Great prices, fast shipping and excellent communication! Who could ask for more! <br><br>Thank you,<br>Jody C.

Fantastic site! Received exactly what I ordered in a very timely manner. Customer service is outstanding, will be doing business again!

Had a little trouble finding the item needed. A search option would be helpful.

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