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JE Pistons Extreme-Duty 23-Degree Inverted Dome Top Pistons 218591S
Part Number: JEP-218591-1
JE Pistons Extreme-Duty 23-Degree Inverted Dome Top Pistons
Piston, 23-Degree, Forged, Dish, D-Shaped Cup, 4.030 in. Bore, 3.500 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Each
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Estimated Ship Date: Dec 7, 2026 Would you rather pick it up?
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JE Pistons Extreme-Duty 23-Degree Inverted Dome Top Pistons 218591
Estimated Ship Date: Dec 4, 2026
Overview
Brand:
Manufacturer's Part Number:
218591S
Part Type:
Product Line:
Summit Racing Part Number:
JEP-218591-1
Item Number:
2059786
UPC:
193564187987
Piston Rings Included:
No
Bore (in.):
4.030 in.
Bore (mm):
102.362mm
Stroke:
3.480 in.
Engine Stroke Type:
Stroked
Rod Length:
6.000 in.
Piston Style:
Dish, with a D-shaped cup
Piston Material:
Forged aluminum
Compression Height (in.):
1.250 in.
Piston Head Volume (cc):
+26.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.927 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.
Notes:
Oil rail support included. 0.310 in. deep valve pockets.
JE Pistons Extreme-Duty 23-Degree Inverted Dome Top Pistons
JE Pistons extreme-duty 23-degree inverted dome top pistons are specially designed for forced induction and nitrous applications. These pistons feature precision CNC-machined ring grooves, and accept 1/16, 1/16, 3/16 rings. Available in sets or individually. Select the one(s) needed.
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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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