Availability
Pistons, 18 Degree, Forged, Flat Top, 2-Valve Reliefs, 4.165 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Set of 8
Part Number: JEP-181961-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dish, 2-Valve Reliefs, 4.080 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Set of 8
Part Number: JEP-312-046-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, 23 Degree, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Set of 8
Part Number: JEP-181924-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8
Part Number: JEP-182024-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, 23 Degree. Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 6.125 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-181911-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-182056-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, 23 Degree, Forged, Dome. 2-Valve Reliefs, 4.155 in. Bore, 3.480 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Set of 8
Part Number: JEP-173588-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
CRANK-4340 FORGE 4.375 STROKE
Part Number: MAN-190250
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.610 in. Bore, 4.750 in. Stroke, 6.660 in. Rod, 1.140 in. Compression, Chevy, Set of 8
Part Number: JEP-293519-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.060 in. Compression, Chevy, Set of 8
Part Number: JEP-243328-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dish, 2-Valve Reliefs, 4.070 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.065 in. Compression, Chevy, Set of 8
Part Number: JEP-324078-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.625 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.060 in. Compression, Chevy, Set of 8
Part Number: JEP-330125-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.000 in. Stroke, 6.535 in. Rod, 1.245 in. Compression, Chevy, Set of 8
Part Number: JEP-330145-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-330163-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-330164-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Set of 8
Part Number: JEP-258209-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-243330-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.580 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-258197-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Set of 8
Part Number: JEP-257974-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Set of 8
Part Number: JEP-257975-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-257965-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.375 in. Stroke, 6.385 in. Rod, 1.215 in. Compression, Chevy, Set of 8
Part Number: JEP-330141-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-242890-8
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
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