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JE Pistons 350/400 18 Degree Flat Top Pistons
Pistons, 18 Degree, Forged, Flat Top, 2-Valve Reliefs, 4.130 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Set of 8
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
181958
Part Type:
Product Line:
Summit Racing Part Number:
JEP-181958
UPC:
193564034687
Piston Rings Included:
No
Bore (in.):
4.130 in.
Bore (mm):
104.902mm
Stroke:
3.875 in.
Rod Length:
6.000 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.062 in.
Piston Head Volume (cc):
+6.00cc
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:
Specify left or right hand piston. Oil rail support included.
JE Pistons 350/400 18 Degree Flat Top Pistons
JE Pistons 350/400 18 degree flat top pistons are compatible with angle milled heads and feature a race-proven, low-friction skirt design. Valve reliefs will accommodate oversized valves and long-duration, tight lobe separation cams. Precision CNC-machined grooves accept 1/16, 1/16, 3/16 rings. These pistons utilize dedicated left and right hand forgings.
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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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