Availability
Pistons
Piston, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-145376S
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-140330S
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each
Part Number: JEP-140341S
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.320 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Set of 8
Part Number: JEP-139508
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings
Part Number: DPP-12412-8
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DS 4.600B/4.250S/6.135R/1.520CD N/
Part Number: DPP-12418
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DS 4.600B/4.250S/6.385R/1.270CD
Part Number: DPP-12438
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Domestic Series - 1200HP Rated - 2618 Material - Includes Pins and Rings
Part Number: DPP-12438-8
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.500B/4.250S/6.385R/1.270CD
Part Number: DPP-12710
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.530B/4.250S/6.385R/1.270CD
Part Number: DPP-12711
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.560B/4.250S/6.385R/1.270CD
Part Number: DPP-12712
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.600B/4.250S/6.585R/1.120CD
Part Number: DPP-12756
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings
Part Number: DPP-12020-8
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.500B/4.250S/6.385R/1.270CD
Part Number: DPP-12342
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.530B/4.250S/6.385R/1.270CD N/
Part Number: DPP-12343
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
CH BB DM 4.625B/4.250S/6.385R/1.270CD N/
Part Number: DPP-12346
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.610 in. Bore, 4.750 in. Stroke, 6.700 in. Rod, 1.120 in. Compression, Chevy, Right, Each
Part Number: JEP-281961R
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.610 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Right, Each
Part Number: JEP-282039R
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.625 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Right, Each
Part Number: JEP-282040R
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-258248-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
JE Pistons Big Block Open Chamber Dome Top Pistons 258248
Not Yet Reviewed
Estimated Ship Date: Today
Piston, Forged, Dome, 2-Valve Reliefs, 4.625 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-258251-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.375 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-258269-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-258273-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.290 in. Compression, Chevy, Each
Part Number: JEP-312691-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each
Part Number: JEP-330127-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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