Availability
Pistons
Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB360-STD
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB360-060
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB160-020
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-158830S
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-212133S
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Piston, 4.155 in. Bore, 1.760 in. Compression Height, 4032 Forged Aluminum, ArmorGlide Skirt Coating, with Pin and Spirolox, Chevy, Big Block, Each
Part Number: WIS-5519A6
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-162840S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Set of 8
Part Number: JEP-258288-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-258289-1
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 3.760 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each
Part Number: JEP-258208-1
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB360-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.350 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB227KTM-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB176-040
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Forged, Dome, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC777-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Forged, Flat, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC776-STD
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, FHR, Forged 4032 Aluminum, 4.250 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Each
Part Number: UEM-SIC9958-STD
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.350 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC988KTD-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Forged, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC777-070
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.280 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC989KTD-030
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.310 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC998KTD-060
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston, Forged Dome, 4.350 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC9958-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Premium Forged, Dome, 4.375 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC989-125
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.350 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-IC777KTD-100
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston, Forged, Dome, 4.290 in. Bore, Chevy, Set of 8
Part Number: UEM-IC989-040
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Pistons, Forged, Dome, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC9917-060
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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