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JE Pistons 258278 Piston Set, 2618, Dome, 4.320 Bore, 1.645 Cd, 0.990 Pin, Set Of 8.

Manufacturer

Picture for manufacturer JE Pistons

Part Number

258278
5 reviews
Sale Price

$1,096.99

Estimated ship date Friday, November 06

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details
JE Pistons
Dome
Open Chamber
M ade to Order
Set of 8 Pistons
Recommended RingSet: J10008-4320-5

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

469

Comp Height

1.645

Comp Ratio @ 110cc

13.6:1

Comp Ratio @ 118cc

12.4:1

Comp Ratio @ 124cc

11.6:1

Compression Distance (in)

1.645 in.

Dome Volume

43

Gram Weight

641

Oversize

0.068

Pin Diameter (in)

0.990 in.

Piston Head Volume (cc)

-43.00cc

Piston Material

Forged aluminum

Piston Ring Thickness

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

Piston Style

Dome, with two valve reliefs

Quantity

Sold individually.

Rod

6.135

Stroke

4

Wrist Pin Style

Press-fit or floating

Product Market

Domestic

Piston Avg Wt

643

Top Compression Ring Thickness

0.064

Industry

Automotive

Ringset Included

No

Piston Material

2618

Add-On

990-042-CS

Add-On

J10008-4320-5

Forging Type

Round

Piston Pin Length

2.930

Second Compression Ring Thickness

0.064

Add-On

990-2930-15-51S

Cylinder Head

OPEN CHAMBER

Category Hierarchy

Pistons>Piston Kits

Oil Ring Thickness

0.188

Piston Volume

43

Piston Pin Outside Diameter

0.990

Out of Stock Message

Call for Availability

Piston Head Type

Dome

Bore Diameter

4.320

Make

Chevrolet

Compression Height

1.645

Piston Pin Material

5115

Piston Pin Wall Thickness

0.150

Engine

BIG BLOCK CHEVY

Piston Quantity

8

Prop 65

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

EASY

They had the lowest price by far! Quick shipment! I am going back for more. Thanks!<br><br>Order 6489

Best price I could find on the Internet can't go wrong with saving money

I purchased a wiring connector and some additional wiring pins. Super fast shipping. Likely to buy from again.

Shipping was surprisingly fast price was great. Second time ordering

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