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Part number: 257667
Product Details
JE Pistons 257667 Pistons
Products specifications
Block Height 10.3
Bore 4.5
Bore (in) 4.500 in.
Bore (mm) 114.300mm
CID 547
Comp Height 1.35
Comp Ratio @ 72cc 13.7:1
Compression Distance (in) 1.350 in.
Dome Volume -5
Gram Weight TBA
Oversize 0.14
Pin Diameter (in) 0.990 in.
Piston Head Volume (cc) +5.00cc
Piston Material Forged aluminum
Piston Ring Thickness 1/16 in. x 1/16 in. x 3/16 in.
Piston Style Flat top, with single valve relief
Quantity Sold individually.
Rod 6.8
Stroke 4.3
Wrist Pin Style Press-fit or floating
JE Pistons
Flat Top
For Stroker Motor
For M-6049-SCJ Heads
.990 wrist pin
Set of 8 Pistons
Recommended RingSet: J100F8-4500-5

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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First time that I have tried Autoplicity.  Best price on the brand/part that I really wanted.  Fast turnaround, and they have great customer service.  Will use again.  Highly recomend!
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