Availability
Pistons
Piston, Forged, Dome, 2-Valve Reliefs, 4.280 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139530S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139531S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.310 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB257KTM-060
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.250 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB202KTM-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.500 in. Bore, Chevy, Set of 8
Part Number: UEM-KB173-034
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2026 if ordered today
Estimated Ship Date: Dec 1, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB361-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB202-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.280 in. Bore, Chevy, Set of 8
Part Number: UEM-KB202-030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB207-030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB245-030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-3474HC-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, 4.280 in. Bore, Dome, 1.645 in. Compression Height, Press-Fit Pin, 5/64 x 5/64 x 3/16 Ring Grooves, Chevy, Set of 8
Part Number: UEM-3458HC-030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 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-257984-1
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Pistons, Pro Tru Street, Forged Aluminum, Dome, 4.310 in. Bore, Rings, Chevrolet, 7.4L, Single Piston, Each
Part Number: WIS-5514A6
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
Piston, Forged, Flat, 4.600 in. Bore, Chevy, Big Block, Each
Part Number: MAN-696080-1
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2026 if ordered today
Estimated Ship Date: Dec 10, 2026 if ordered today
Piston, Forged, Flat, 4.560 in. Bore, Chevy, Big Block, Each
Part Number: MAN-696060-1
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2026 if ordered today
Estimated Ship Date: Dec 10, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.350 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB202KTM-100
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-258277-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139535S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Domestic Series - 1000HP Rated - 2618 Material - Includes Pins and Rings
Part Number: DPP-12302-8
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pistons, Forged, Dome, 2-Valve Reliefs, 4.470 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-139534
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Domestic Series - 1000HP Rated - 2618 Material - Includes Pins and Rings
Part Number: DPP-12303-8
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston and Ring Kit, Powerpack, Dome, Forged Aluminum, 4.310 in. Bore, 4.00 in. Stroke, Chevy, Set of 8
Part Number: MLE-928973710
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Pistons, PowerPak Piston and Ring Kits, 4.310 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 7.4L, Set of 8
Part Number: MLE-929870110
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Piston and Ring Kit, Forged, Flat, 4.250 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-IC780KTD-STD
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
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