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Part number: 258239
Product Details
JE Pistons 258239 Pistons
Products specifications
Block Height 9.78
Bore 4.53
Bore (in) 4.530 in.
Bore (mm) 115.062mm
CID 548
Comp Height 1.27
Comp Ratio @ 110cc 15.9:1
Comp Ratio @ 118cc 14.5:1
Comp Ratio @ 124cc 13.6:1
Compression Distance (in) 1.270 in.
Dome Volume 45
Gram Weight 657
Oversize 0.064
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
JE Pistons
Open Chamber
Oil Rail Support is Included
Nitrous Dome Series and include .180" wall pins
Set of 8 Pistons
Recommended RingSet: J10008-4530-5

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.

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Ordering is easy waiting on shipment to check accurate item??
They had what I needed, No hassle ordering. and it shipped fast.
Great prices. Fast Shipping. I would definitely do business again.
I ordered online with autoplicity via google checkout. It was easy and a real good price compared to other sites. The communication was great every step of the way. Order confirmation, order tracking number and shipping number. Super fast shipping for a heavy item (springs)and was in perfect condition. I Will shop with them again.
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