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JE Pistons Nitrous Series Gas Ported Pistons 258202S
Part Number: JEP-258202-1
JE Pistons Nitrous Series Gas Ported Pistons
Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.290 in. Compression, Chevy, Each
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Overview
Brand:
Manufacturer's Part Number:
258202S
Part Type:
Product Line:
Summit Racing Part Number:
JEP-258202-1
UPC:
193564198105
Piston Rings Included:
No
Bore (in.):
4.610 in.
Bore (mm):
117.094mm
Stroke:
4.250 in.
Engine Stroke Type:
Stroked
Rod Length:
6.385 in.
Piston Style:
Dome, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.290 in.
Piston Head Volume (cc):
-44.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
No
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.990 in.
Piston Ring Thickness:
0.043 in. x 1/16 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Oil rail support included.
JE Pistons Nitrous Series Gas Ported Pistons
JE Pistons nitrous series gas ported pistons have vertical and lateral gas ports that have been incorporated to optimize top ring seal and reduce friction. Ring grooves are machined to accept hardened nitrous series rings with .043 back cut top ring, 1/16 taper face second ring, and the 3/16 oil ring. Compression height figured using 9.800 in. deck height with zero deck clearance. Fits most chamber 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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