Availability
1989 Pistons
Pistons, 23 Degree. Forged, Flat Top, 2-Valve Reliefs, 4.060 in. Bore, 3.750 in. Stroke, 6.125 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-181914-8
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Right, Each
Part Number: JEP-182022R
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Right, Each
Part Number: JEP-182017R
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.040 in. Bore, 3.400 in. Stroke, 5.400 in. Rod, 1.100 in. Compression, Ford, Set of 8
Part Number: JEP-232458-8
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-231510
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each
Part Number: JEP-212149S
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.470 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-212160S
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Right, Each
Part Number: JEP-257797R
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-232510-8
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Dish, 2-Valve Reliefs, 4.040 in. Bore, 4.000 in. Stroke, 6.200 in. Rod, 1.280 in. Compression, Ford, Lincoln, Mercury, Set of 8
Part Number: JEP-232464-8
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.030 in. Bore, 3.250 in. Stroke, 5.400 in, Rod, 1.175 in. Compression, Ford, Each
Part Number: JEP-232471-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.640 in. Compression, Chevy, Set of 8
Part Number: JEP-257981-8
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.310 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-257964-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.648 in. Compression, Chevy, Each
Part Number: JEP-258205-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 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: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.500 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Right, Each
Part Number: JEP-297811R
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 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: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
MITSU 4G63 EVO KIT
Part Number: JEP-297052-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.375 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-258246-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.280 in. Bore, 3.766 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-267207-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.366 in. Bore, 3.465 in. Stroke, 5.905 in. Rod, 1.367 in. Compression, Mitsubishi, Each
Part Number: JEP-297051-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Set of 8
Part Number: JEP-271055
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 6.135 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-268830S
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.040 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Set of 8
Part Number: JEP-259605
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.285 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each
Part Number: JEP-258252-1
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
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