Availability
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.250 in. Stroke, 6.000 in. Rod, 1.384 in. Compression, Chevy, Each
Part Number: JEP-140033S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dish, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Set of 8
Part Number: JEP-139629
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 6.000 in. Rod, 1.260 in. Compression, Chevy, Set of 8
Part Number: JEP-140678
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.145 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-138102S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-139478
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-139479
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.530 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-139483
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-139521S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139532S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Each
Part Number: JEP-139626S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Set of 8
Part Number: JEP-140675
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-141635S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-142980
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.250 in. Stroke, 5.700 in. Rod, 1.675 in. Compression, Chevy, Each
Part Number: JEP-147752S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.040 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each
Part Number: JEP-138082S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-138093S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.500 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139482S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-139532
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each
Part Number: JEP-139632S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each
Part Number: JEP-140685S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-152157S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.500 in. Bore, 4.000 in. Stroke, 6.535 in. Rod, 1.245 in. Compression, Chevy, Each
Part Number: JEP-152159S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.040 in. Bore, 3.480 in. Stroke, 6.000 in. Rod, 1.260 in. Compression, Chevy, Set of 8
Part Number: JEP-138086
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.