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JE Pistons 258246 Piston Set, 2618, Dome, 4.375 Bore, 1.270 Cd, 0.990 Pin, Set Of 8.

Manufacturer

JE Pistons

Picture for manufacturer JE Pistons 317761 Piston Set, 2618, Dome, 3.543 Bore, 1.176 CD, 0.866 Pin, Set of 4.

Part Number

258246
9 reviews
04/20/2034 1:49 AM
Sale Price

$998.61

Estimated ship date Saturday, April 20

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Product Details

JE Pistons 258246 Piston Set, 2618, Dome, 4.375 Bore, 1.270 Cd, 0.990 Pin, Set Of 8.

THIS PRODUCT CONSISTS OF 8 PIECES.

JE Pistons
Dome
Open Chamber
Oil Rail Support is Included
Set of 8 Pistons
Recommended RingSet: J10008-4375-5

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

4.375

Bore (in)

4.375 in.

Bore (mm)

111.125mm

CID

511

Comp Height

1.27

Comp Ratio @ 110cc

14.6:1

Comp Ratio @ 118cc

13.4:1

Comp Ratio @ 124cc

12.5:1

Compression Distance (in)

1.270 in.

Dome Volume

43

Gram Weight

587

Notes

Oil rail support included.

Oversize

0.125

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

6.385

Stroke

4.25

Wrist Pin Style

Press-fit or floating

Piston Pin Material

5115

Oil Ring Thickness

0.218

Piston Pin Wall Thickness

0.150

Bore Diameter

4.375

Add-On

J10008-4375-5

Out of Stock Message

Call for Availability

Piston Head Type

Dome

Product Market

Domestic

Make

Chevrolet

Compression Height

1.270

Top Compression Ring Thickness

0.064

Piston Avg Wt

595

Piston Pin Length

2.930

Ringset Included

No

Engine

BIG BLOCK CHEVY

Add-On

990-042-CS

Industry

Automotive

Add-On

990-2930-15-51S

Forging Type

Round

Cylinder Head

OPEN CHAMBER

Piston Material

2618

Category Hierarchy

Pistons>Piston Kits

Piston Pin Outside Diameter

0.990

Piston Volume

43

Second Compression Ring Thickness

0.064

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Very quick service and lowest price.

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