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JE Pistons 350/400 Small Block Dome Top Pistons 182042
Part Number: JEP-182042-8
JE Pistons 350/400 Small Block Dome Top Pistons
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 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 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
182042
Part Type:
Product Line:
Summit Racing Part Number:
JEP-182042-8
UPC:
193564003430
Piston Rings Included:
No
Bore (in.):
4.165 in.
Bore (mm):
105.791mm
Stroke:
3.875 in.
Engine Stroke Type:
Stroked
Rod Length:
6.000 in.
Piston Style:
Dome, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.062 in.
Piston Head Volume (cc):
-8.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
No
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 as a set of 8.
Notes:
Oil rail support included.
JE Pistons 350/400 Small Block Dome Top Pistons
JE Pistons 350/400 small block dome top pistons are high-compression pistons that are compatible with most aftermarket 23 degree heads and are ideal for drag race and Circle Track applications. Valve reliefs will accommodate oversized valves and long-duration, tight lobe separation cams. Precision CNC ring grooves are designed for 1/16, 1/16, 3/16 rings. However, these will not fit JE Pistons Pro Topline or Brodix cylinder heads.
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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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