Availability
Piston, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-258244-1
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Each
Part Number: JEP-258220-1
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, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each
Part Number: JEP-258258-1
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, 4.390 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Each
Part Number: JEP-170877-1
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dish, Single Valve Relief, 4.600 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-281959-8
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, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Right, Each
Part Number: JEP-300252R
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.839 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Left, Each
Part Number: JEP-314351L
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Piston, Forged, Dish, 4-Valve Reliefs, 3.839 in. Bore, 2.953 in. Stroke, 5.138 in. Rod, 1.287 in. Compression, Subaru, Right, Each
Part Number: JEP-314351R
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 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-257975-1
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 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
Pistons, Forged, Dome, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-212162
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, 4-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-324869S
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, 4.530 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139483S
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, 3.250 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
Piston, Forged, Dome, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each
Part Number: JEP-140330S
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, 4.040 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each
Part Number: JEP-140675S
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, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-271061S
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, Right, Each
Part Number: JEP-306724R
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, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139479S
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-212143S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-306724
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.320 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-212158
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Set of 8
Part Number: JEP-212143
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, 4.600 in. Bore, 4.375 in. Stroke, 6.535 in. Rod, 1.465 in. Compression, Chevy, Right, Each
Part Number: JEP-297252R
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, 6.135 in. Rod, 1.645 in. Compression, Chevy, Right, Each
Part Number: JEP-306725R
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
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