Availability
Pistons, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-258279-8
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each
Part Number: JEP-258213-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each
Part Number: JEP-258259-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-258289-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-258279-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-139834
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139480S
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.350 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each
Part Number: JEP-212145S
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.535 in. Rod, 1.245 in. Compression, Chevy, Set of 8
Part Number: JEP-139838
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.535 in. Rod, 1.245 in. Compression, Chevy, Each
Part Number: JEP-139838S
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-212138S
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.350 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Set of 8
Part Number: JEP-212145
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.350 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-142982
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Hypereutectic, Step, 4.350 in. Bore, Chrysler, Dodge, Plymouth, Set of 8
Part Number: UEM-KB236-030
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB202-100
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.350 in. Bore, 3.750 in. Stroke, 6.766 in. Rod, 2.058 in. Compression, Mopar, Right, Each
Part Number: JEP-213466R
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.350 in. Bore, 3.750 in. Stroke, 6.766 in. Rod, 2.058 in. Compression, Mopar, Big Block, Left, Each
Part Number: JEP-232456L
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.350 in. Bore, 3.750 in. Stroke, 6.766 in. Rod, 2.058 in, Compression, Mopar, Left, Each
Part Number: JEP-213683L
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.150 in. Stroke, 6.766 in. Rod, 1.858 in. Compression, Mopar, Right, Each
Part Number: JEP-213683R
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.350 in. Bore, 3.750 in. Stroke, 6.766 in. Rod, 2.058 in. Compression, Mopar, Big Block, Right, Each
Part Number: JEP-232456R
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.350 in. Bore, 3.750 in. Stroke, 6.766 in. Rod, 2.058 in. Compression, Mopar, Left, Each
Part Number: JEP-213466L
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.350 in. Bore, 4.150 in. Stroke, 6.766 in. Rod, 1.858 in. Compression, Ford, Left, Each
Part Number: JEP-232452L
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.350 in. Bore, 4.150 in. Stroke, 6.766 in. Rod, 1.858 in. Compression, Ford, Right, Each
Part Number: JEP-232452R
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.350 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB397KTD-100
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB257-100
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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