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JE Pistons Nitrous Series Gas Ported Pistons

5.0 out of 5 stars 1 Customer Reviews

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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JE Pistons Nitrous Series Gas Ported Pistons 258199

Made in the USA

JE Pistons Nitrous Series Gas Ported Pistons 258199

JE Pistons Nitrous Series Gas Ported Pistons 258199

Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-258199-8

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

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Estimated Ship Date: Sep 18, 2025 if ordered today

JE Pistons Nitrous Series Gas Ported Pistons 258201S

Made in the USA

JE Pistons Nitrous Series Gas Ported Pistons 258201S

JE Pistons Nitrous Series Gas Ported Pistons 258201S

Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.290 in. Compression, Chevy, Each

Part Number: JEP-258201-1

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

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Estimated Ship Date: Sep 18, 2025 if ordered today

JE Pistons Nitrous Series Gas Ported Pistons 258199S

Made in the USA

JE Pistons Nitrous Series Gas Ported Pistons 258199S

JE Pistons Nitrous Series Gas Ported Pistons 258199S

Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-258199-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 18, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 18, 2025 if ordered today

JE Pistons Nitrous Series Gas Ported Pistons 258201

Made in the USA

JE Pistons Nitrous Series Gas Ported Pistons 258201

JE Pistons Nitrous Series Gas Ported Pistons 258201

Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.290 in. Compression, Chevy, Set of 8

Part Number: JEP-258201-8

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 18, 2025 if ordered today

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