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JE Pistons 258240 Forged Dome Piston Set Bore - 4.560 8-Cylinder

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

258240
6 reviews
Sale Price

$1,096.99

1 left at this price

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Usually delivered within 2 days

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Product Details
JE Pistons
Dome
Open Chamber
Oil Rail Support is Included
Nitrous Dome Series and include .180" wall pins
Set of 8 Pistons
Recommended RingSet: J10008-4560-5

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 (in)

4.560 in.

Bore (mm)

115.824mm

CID

555

Comp Height

1.27

Comp Ratio @ 110cc

16:1

Comp Ratio @ 118cc

14.6:1

Comp Ratio @ 124cc

13.7:1

Compression Distance (in)

1.270 in.

Dome Volume

45

Gram Weight

668

Notes

Oil rail support included.

Oversize

0.09

Pin Diameter (in)

0.990 in.

Piston Head Volume (cc)

-45.00cc

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

Compression Height

1.270

Product Market

Domestic

Piston Head Type

Dome

Category Hierarchy

Pistons>Piston Kits

Ringset Included

No

Add-On

J10008-4560-5

Out of Stock Message

Call for Availability

Engine

BIG BLOCK CHEVY

Bore Diameter

4.560

Add-On

990-042-CS

Industry

Automotive

Forging Type

Round

Top Compression Ring Thickness

0.064

Piston Volume

45

Oil Ring Thickness

0.218

Piston Avg Wt

664

Piston Pin Material

5115

Piston Pin Outside Diameter

0.990

Second Compression Ring Thickness

0.064

Make

Chevrolet

Piston Pin Length

2.930

Piston Material

2618

Piston Pin Wall Thickness

0.180

Add-On

990-2930-18-51S

Cylinder Head

OPEN CHAMBER

Prop 65

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

Piston Quantity

8

Easy web searching and good quality parts for reasonable price..customer friendly too!!!!!!

Great selection and fast shipping. Not to meantion the lowest prices anywhere on the net.

Excellent Service! Product shipped out the day after being processed and was sent via overnight delivery. Autoplicity also offered the lowest cost available for the product online.

Great Service

Very good prices and incredibly fast shipping. Shipping costs were a bit high but I would definitely use them again!

Prompt shipping and good price. Was one of the few online retailers that had the item I was looking for. Would buy from again.

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