Availability
Performance Engine Pistons
Pistons, Hypereutectic, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB202-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB173-134
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
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: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Step Dish, 4.470 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB389KTD-004
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB397-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.320 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB397KTD-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.320 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB398KTD-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Forged, Dome, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: WIS-K243A3
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Piston, Forged Dome, 4.320 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC9958-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 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: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 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: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 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: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 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-139482S
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Piston, Hypereutectic, Dish, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Each
Part Number: UEM-S3408HC-STD
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Cast, 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-1434-060
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.381 in. Bore, 3.500 in. Stroke, Dome, Chevy, Big Block, W-Series, Set of 8
Part Number: UEM-IC959-068
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.381 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, W-Series, Set of 8
Part Number: UEM-IC960KTD-068
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.381 in. Bore, 3.500 in. Stroke, Dome, Chevy, Big Block, W-Series, Set of 8
Part Number: UEM-IC979-068
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.381 in. Bore, 3.500 in. Stroke, Dome, Chevy, Big Block, W-Series, Set of 8
Part Number: UEM-IC979KTD-068
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Premium Forged, Dome, 4.280 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC988-030
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
ICON Forged Piston - Chevy 427 Rod 6.135 oc Hollow Dome .425 -38cc 1V
Part Number: UEM-IC988-040
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Pistons, Forged, 4.250 in. Bore, Hollow Dome, Chevy, Set of 8
Part Number: UEM-IC988-STD
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.290 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC988KTD-040
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.250 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC988KTD-STD
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Piston, Forged Dome, 4.320 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC990-070
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
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