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JE Pistons 257979 Piston Set, 2618, Flat Top, 4.255 Bore, 1.640 Cd, 0.990 Pin, Set Of 8.

Manufacturer

Picture for manufacturer JE Pistons

Part Number

257979
4 reviews
Sale Price

$1,096.99

Estimated ship date Saturday, November 07

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Product Details
JE Pistons
Flat Top
M ade to Order
Set of 8 Pistons
Recommended RingSet: J100F8-4250-5

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

4.255

Bore (in)

4.255 in.

Bore (mm)

108.077mm

CID

455

Comp Height

1.635

Comp Ratio @ 110cc

8.6:1

Comp Ratio @ 118cc

8.1:1

Comp Ratio @ 124cc

7.8:1

Compression Distance (in)

1.640 in.

Dome Volume

-3

Gram Weight

CALL

Oversize

0.005

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

Wrist Pin Style

Press-fit or floating

Category Hierarchy

Pistons>Piston Kits

Make

Chevrolet

Piston Volume

-3

Add-On

J100F8-4250-5

Oil Ring Thickness

0.188

Piston Head Type

Flat

Piston Avg Wt

620

Piston Pin Material

5115

Piston Material

2618

Compression Height

1.640

Out of Stock Message

Call for Availability

Industry

Automotive

Piston Pin Wall Thickness

0.180

Cylinder Head

OPEN CHAMBER

Add-On

990-2930-18-51S

Piston Pin Length

2.930

Product Market

Domestic

Ringset Included

No

Bore Diameter

4.255

Piston Pin Outside Diameter

0.990

Top Compression Ring Thickness

0.064

Forging Type

Round

Second Compression Ring Thickness

0.064

Engine

BIG BLOCK CHEVY

Add-On

990-042-CS

Prop 65

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

Piston Quantity

8

A+shipping was quick, communications were quick

Best prices online! Ordered a JBA performance exhaust and Airaid intake system for my 06 F-150. Was hesitant at first because I never heard of them but ordering was a breeze and saved me over $100 total for two items compared to anywhere else. Had package at my door in about 24 hours and even selected normal UPS ground shipping. Very satisfied and will definitely return!

Autoplicity was plenty cheaper than competitors for the springs I needed. I was shopping around and left the website after beginning a transaction and they sent me a coupon for 25% off shipping if I would return and purchase from them, which was cool. Unfortunately the coupon code didn't change the price and I didn't receive 25% off, but it was still cheaper than others.

Great so far.

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