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 243317 Forged Dome Piston Set Bore Alloy - 4.560 2618 8-Piece

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

243317
4 reviews
Sale Price

$1,283.99

Estimated ship date Thursday, November 12

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 243317 is a high-performance forged piston set engineered from 2618 aluminum alloy for maximum strength and durability in demanding racing applications. This 8-piece matched set features a dome design with a 4.560-inch bore diameter, 1.120-inch compression distance, and 0.990-inch pin diameter for precision fitment in high-performance Chevy, Ford, Mopar, and Buick engine builds.

Key Features:

  • Application-specific forgings with optimized, uniform crown thickness for consistent performance
  • 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 provides additional skirt strength
  • Honed pin bores ensure precise pin fit and reduced wear
  • Double pressure-fed pin oilers enhance lubrication for extended durability
  • Includes wire locks and JE ProSeal piston rings for complete installation

Backed by over 60 years of racing piston manufacturing expertise, JE Pistons delivers the precision and reliability demanded by professional engine builders and serious racers. Each set is sold as matched pistons to ensure balanced performance across all cylinders.

Products specifications

Block Height

9.78

Bore

4.555

CID

555

Comp Height

1.115

Comp Ratio @ 82cc

15.1:1

Comp Ratio @ 87cc

14.3:1

Comp Ratio @ 97cc

12.9:1

Dome Volume

13

Gram Weight

NEW!

Oversize

0.09

Rod

6.535

Stroke

4.25

Out of Stock Message

Call for Availability

Forging Type

Round

Piston Pin Outside Diameter

0.990

Add-On

JG8608-4560-5

Ringset Included

No

Add-On

990-2930-18-51S

Top Compression Ring Thickness

0.0435

Bore Diameter

4.560

Add-On

990-042-CS

Piston Pin Material

5115

Make

Chevrolet

Product Market

Domestic

Piston Head Type

Dome

Piston Avg Wt

592

Piston Pin Wall Thickness

0.180

Industry

Automotive

Cylinder Head

BIG CHIEF

Category Hierarchy

Pistons>Piston Kits

Compression Height

1.120

Engine

BIG BLOCK CHEVY

Oil Ring Thickness

0.218

Piston Pin Length

2.930

Piston Material

2618

Piston Volume

13

Second Compression Ring Thickness

0.064

Prop 65

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

Piston Quantity

8

Best price I could find! Great customer service kept me informed through the whole order process to insure acuracy since it was being sent directly from the manufacture. Recieved my order in good time, right parts and no damage. Overall very satisfied and will be doing business again in the future.

A bit pricier than other sites, but if you have the item in stock and I don't have to wait a month to get it.

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

Great prices and FAST shipping!! Definitely will buy products here again!

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