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JE Pistons Big Block Chevy Blown Alcohol Series Pistons 296988S
Part Number: JEP-296988-1
JE Pistons Big Block Chevy Blown Alcohol Series Pistons
Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
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JE Pistons Big Block Chevy Blown Alcohol Series Pistons 296988
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Estimated Ship Date: Nov 17, 2026
Overview
Brand:
Manufacturer's Part Number:
296988S
Part Type:
Product Line:
Summit Racing Part Number:
JEP-296988-1
UPC:
193564196897
Piston Rings Included:
No
Bore (in.):
4.500 in.
Bore (mm):
114.300mm
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.):
1.270 in.
Piston Head Volume (cc):
-23.50cc
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:
0.017 in. x 1/16 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
JE Pistons Big Block Chevy Blown Alcohol Series Pistons
JE Pistons Big Block Chevy Blown Alcohol Series pistons are perfect for high-boost blown alcohol drag racing! These forged aluminum pistons feature precision CNC-machined ring grooves, valve reliefs for oversized valves, and compatibility with angle milled heads. They include pins, double Spiro locks, double pin oilers, and accumulator grooves. The pistons may be used with buttons (sold separately) if you prefer, in place of Spiro locks. Choose the right pistons to handle your blown setup--JE Pistons Big Block Chevy Blown Alcohol Series pistons.
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Some parts are not legal for use in California or other states with similar laws / regulations
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