Availability
Pistons, Forged, Flat Top, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-142979
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-142979S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.320 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-142981S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.470 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-142983S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.370 in. Compression, Chevy, Each
Part Number: JEP-143593S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Each
Part Number: JEP-144995S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston Rings, Top Ring, Plasma-moly, 4.580 in. Bore, 1/16 in, Thickness, Single-Cylinder, Each
Part Number: JEP-145805116DMB
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.470 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139481S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-139506S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-139507S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston Wrist Pins, 51 Series, 5115 Steel, 1.031 in. Diameter, 2.750 in. Length, 0.150 in. Wall Thickness, Straight End, Each
Part Number: JEP-03127501551S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Pistons, 1.031 x 2.925 x .200 Straight Wall
Part Number: JEP-031292520TSS
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston Wrist Pins, 51 Series, 5115 Steel, 1.031 in. Diameter, 2.930 in. Length, 0.170 in. Wall Thickness, Straight End, Each
Part Number: JEP-03129301751S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston Wrist Pins, 51 Series, 5115 Steel, 1.040 in. Diameter, 2.930 in. Length, 0.180 in. Wall Thickness, Straight End, Each
Part Number: JEP-04029301851S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 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-139533S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Pistons, JE SPCL ORDER PIN
Part Number: JEP-094312525TSS
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.280 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Set of 8
Part Number: JEP-139537
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-139542S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-139543S
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Piston, Forged, Dish, 3.820 in. Bore, 3.400 in. Stroke, 5.960 in. Rod, 1.850 in. Compression, Buick, Each
Part Number: JEP-131556-1
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.