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Part number: 257945
Product Details
JE Pistons 257945 in our Pistons Deptartment
Products specifications
Block Height 9.78
Bore 4.6
Bore (in) 4.600 in.
Bore (mm) 116.840mm
CID 565
Comp Height 1.27
Comp Ratio @ 110cc 9.2:1
Comp Ratio @ 118cc 8.8:1
Comp Ratio @ 124cc 8.5:1
Compression Distance (in) 1.270 in.
Dome Volume -20
Gram Weight 608
Notes Oil rail support included.
Oversize 0.134
Pin Diameter (in) 0.990 in.
Piston Head Volume (cc) +20.00cc
Piston Material Forged aluminum
Piston Ring Thickness 1/16 in. x 1/16 in. x 3/16 in.
Piston Style Dish, with single valve relief
Quantity Sold individually.
Rod 6.385
Stroke 4.25
Wrist Pin Style Press-fit or floating
JE Pistons
Inverted Dome
Oil Rail Support is Included
Set of 8 Pistons
Recommended RingSet: J100L8-4600-5

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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Very easy checkout process and was fast and efficient in searching for the item I needed. Also one of the best prices everywhere, and the coupon code just sweetened the deal. Was the little push I needed to purchase this. Let's hope shipping is as satisfa
good price, prompt delivery. no complaints.
Arrived in 4 business days and cheapest price on the web for the part I got.
Love them!!! They send E-Mail conformation when order is placed and tracking number when shiped.
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