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JE Pistons 258231 Piston Set, 2618, Dome, 4.350 Bore, 1.245 Cd, 0.990 Pin, Set Of 8.

Manufacturer

JE Pistons

Picture for manufacturer JE Pistons 927-073-MW Wrist Pin Retainer, Wire Lock, 0.927 In. Dia., 0.073 In. Thickness, Each.

Part Number

258231
4 reviews
04/26/2034 4:30 AM
Sale Price

$998.61

Estimated ship date Friday, April 26

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Product Details

JE Pistons 258231 Piston Set, 2618, Dome, 4.350 Bore, 1.245 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: J10008-4350-5

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

4.35

Bore (in)

4.350 in.

Bore (mm)

110.490mm

CID

476

Comp Height

1.245

Comp Ratio @ 110cc

14.2:1

Comp Ratio @ 118cc

12.9:1

Comp Ratio @ 124cc

12.1:1

Compression Distance (in)

1.245 in.

Dome Volume

46

Gram Weight

579

Notes

Oil rail support included.

Oversize

0.1

Pin Diameter (in)

0.990 in.

Piston Head Volume (cc)

-46.00cc

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

6.535

Stroke

4

Wrist Pin Style

Press-fit or floating

Category Hierarchy

Pistons>Piston Kits

Piston Avg Wt

586

Piston Head Type

Dome

Oil Ring Thickness

0.218

Piston Volume

46

Piston Pin Material

5115

Engine

BIG BLOCK CHEVY

Top Compression Ring Thickness

0.064

Add-On

990-2930-15-51S

Industry

Automotive

Out of Stock Message

Call for Availability

Make

Chevrolet

Piston Pin Wall Thickness

0.150

Add-On

990-042-CS

Piston Material

2618

Ringset Included

No

Product Market

Domestic

Bore Diameter

4.350

Compression Height

1.245

Add-On

J10008-4350-5

Forging Type

Round

Second Compression Ring Thickness

0.064

Piston Pin Outside Diameter

0.990

Cylinder Head

OPEN CHAMBER

Piston Pin Length

2.930

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