My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

JE Pistons 257989 Piston Set, 2618, Flat Top, 4.320 Bore, 1.765 Cd, 0.990 Pin, Set Of 8.

Manufacturer

Picture for manufacturer JE Pistons

Part Number

257989
13 reviews
Sale Price

$1,096.99

Estimated ship date Friday, November 13

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details
JE Pistons
Flat Top
M ade to Order
Set of 8 Pistons
Recommended RingSet: J100F8-4320-5

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

4.32

Bore (in)

4.320 in.

Bore (mm)

109.728mm

CID

441

Comp Height

1.765

Comp Ratio @ 110cc

8.3:1

Comp Ratio @ 118cc

7.9:1

Comp Ratio @ 124cc

7.6:1

Compression Distance (in)

1.765 in.

Dome Volume

-3

Gram Weight

CALL

Oversize

0.068

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

3.765

Wrist Pin Style

Press-fit or floating

Compression Height

1.765

Bore Diameter

4.320

Product Market

Domestic

Second Compression Ring Thickness

0.064

Cylinder Head

OPEN CHAMBER

Add-On

J100F8-4320-5

Add-On

990-042-CS

Oil Ring Thickness

0.188

Piston Avg Wt

663

Add-On

990-2930-18-51S

Piston Pin Outside Diameter

0.990

Top Compression Ring Thickness

0.064

Piston Pin Material

5115

Forging Type

Round

Piston Pin Length

2.930

Make

Chevrolet

Piston Volume

-3

Piston Head Type

Flat

Engine

BIG BLOCK CHEVY

Piston Pin Wall Thickness

0.180

Industry

Automotive

Ringset Included

No

Piston Material

2618

Category Hierarchy

Pistons>Piston Kits

Out of Stock Message

Call for Availability

Prop 65

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

Piston Quantity

8

Fast and easy

Quick and easy

Was easy to order online.

A+ so far.

Satisfied with prices. Have not installed items yet.

We’ll see how it goes . So far so good .

Have not received item yet but company is very responsive with fast shipment. Excellent price too.

Great shipping speed great site. Awesome!!! Thanks guys I love my new bumper.

Sldj xhcuud jxjdud jjjd uxhsb .

The Best Pricing online period! The shipping was very reasonable with great communication and tracking number proviced. My parts were boxed well and arrived right on schedule. This was my first purchase with Autoplicity but will for sure not be my last.

I ordered a bike rack and the rack was shipped promptly, and was exactly what I ordered. Best price on the internet

Had a great first experience with Autoplicity. I ordered my package late in the day on Wednesday and it was at the front door Thursday! Another big plus is that their prices are hard to beat. Won't have a problem ordering from them again!

Product was shipped super fast. And product was in a well packaged box and everything was there. I would do business with them again in the future. Highly recommended and lowest prices!!!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy