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JE Pistons Big Block Inverted Dome Top Pistons 257953S
Part Number: JEP-257953-1
JE Pistons Big Block Inverted Dome Top Pistons
Piston, Forged, Dish, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
257953S
Part Type:
Product Line:
Summit Racing Part Number:
JEP-257953-1
UPC:
193564197986
Piston Rings Included:
No
Bore (in.):
4.530 in.
Bore (mm):
115.062mm
Stroke:
4.250 in.
Engine Stroke Type:
Stroked
Rod Length:
6.135 in.
Piston Style:
Dish, with single valve relief
Piston Material:
Forged aluminum
Compression Height (in.):
1.520 in.
Piston Head Volume (cc):
+20.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.990 in.
Piston Ring Thickness:
1/16 in. x 1/16 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
JE Pistons Big Block Inverted Dome Top Pistons
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications, and their performance has been proven in victory lane time and time again.
JE Pistons big block inverted dome top pistons are forged using 2618 aluminum, yielding high-tensile strength needed for high-demand performance applications, and they are designed specifically for each engine and use application to provide optimized performance durability. They feature JE Pistons' proprietary Forged Side Relief (FSR) forging design to minimize friction and power loss with reduced skirt width and save additional weight with a shorter wrist pin. Their precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 in. rings (not included). JE big block inverted dome top pistons are available in different size specs, and can be ordered individually or in larger sets.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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