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Part number: 258255
Product Details
JE Pistons 258255 Pistons
Products specifications
Block Height 9.78
Bore 4.5
Bore (in) 4.500 in.
Bore (mm) 114.300mm
CID 509
Comp Height 1.395
Comp Ratio @ 110cc 13:1
Comp Ratio @ 118cc 12:1
Comp Ratio @ 124cc 11.3:1
Compression Distance (in) 1.395 in.
Dome Volume 34
Gram Weight 641
Oversize 0.034
Pin Diameter (in) 0.990 in.
Piston Head Volume (cc) -34.00cc
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
Wrist Pin Style Press-fit or floating
JE Pistons
Open Chamber
Set of 8 Pistons
Recommended RingSet: J10008-4500-5

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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Fast shipping, great product.  Nothing more needs to be said.
great price and customer service
They had the parts I needed at the best price. I needed some questions answered to make sure I was ordering the right parts for a 4 year old car and they were very helpful when I called.
Best price on the internet for my parts. Shipped out the next morning.
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