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JE Pistons 257977 Piston Set, 2618, Flat Top, 4.280 Bore, 1.520 Cd, 0.990 Pin, Set Of 8.

Manufacturer

Picture for manufacturer JE Pistons

Part Number

257977
7 reviews
Sale Price

$1,096.99

Estimated ship date Sunday, November 08

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Product Details
JE Pistons
Flat Top
Set of 8 Pistons
Recommended RingSet: J100F8-4280-5

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

4.28

Bore (in)

4.280 in.

Bore (mm)

108.712mm

CID

489

Comp Height

1.52

Comp Ratio @ 110cc

9.1:1

Comp Ratio @ 118cc

8.6:1

Comp Ratio @ 124cc

8.3:1

Compression Distance (in)

1.520 in.

Dome Volume

-3

Gram Weight

595

Pin Diameter (in)

0.990 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

Flat top, with single valve relief

Quantity

Sold individually.

Rod

6.135

Stroke

4.25

Wrist Pin Style

Press-fit or floating

Cylinder Head

OPEN CHAMBER

Engine

BIG BLOCK CHEVY

Forging Type

Round

Make

Chevrolet

Oil Ring Thickness

0.188

Piston Pin Outside Diameter

0.990

Piston Head Type

Flat

Piston Volume

-3

Second Compression Ring Thickness

0.064

Compression Height

1.520

Add-On

990-042-CS

Piston Pin Wall Thickness

0.180

Piston Material

2618

Piston Pin Material

5115

Piston Avg Wt

607

Category Hierarchy

Pistons>Piston Kits

Industry

Automotive

Out of Stock Message

Call for Availability

Bore Diameter

4.280

Product Market

Domestic

Add-On

J100F8-4280-5

Ringset Included

No

Top Compression Ring Thickness

0.064

Add-On

990-2930-18-51S

Piston Pin Length

2.930

Prop 65

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

Piston Quantity

8

We will see, but this is a great deal on these shocks

Easy shopping and ordering!

typed it in google and came right up and ordering it was a simple click and entering in my info and it was done

Ordering was very fast and easy.

Placed order #27494 for some bumpstops. Came out $40 cheaper then i could get with reseller discounts elsewhere. Great item, shipped quick, very satisfied.

shopping was awesome and easy , items showed in stk, but delivery was over 9 days

Easy website, fast service. Shipping cost seems high. thank you

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