KB Performance Piston Parts and Accessories

Pistons, Hypereutectic, Flat, 4.093 in. Bore, Pontiac, 389, Set of 8

Part Number: UEM-KB370-030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB224-030

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, Step Head, 4.382 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB280KTM-040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB284-060

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.080 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB150KTM-030

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Estimated Ship Date: Tomorrow

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9906HC-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.060 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9909HCKTD060

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.186 in. Bore, Oldsmobile, Set of 8

Part Number: UEM-KB277-060

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.060 in. Bore, Chevy, Set of 8

Part Number: UEM-KB157-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pistons, Hyper Coated, 390 Alloy, 3.875 in. Bore, 6.123 in. Rod, 3.895 in. Stroke, -27.5cc Dish, 1.353 in. Compression Height, Jeep, 4.0L, Set of 6

Part Number: UEM-KB424C-030

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Hypereutectic, Flat, 3.910 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB167KTM-STD

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pistons, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB157-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB207-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9904HC-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB246-040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.155 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB160KTM-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9906HCKTMSTD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9906HC-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB177-040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB193KTM-030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.155 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB130KTM-030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Claimer, Hypereutectic, Flat , 4.040 in. Bore, Chevy, Kit

Part Number: UEM-9901HCKTM040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.000 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB190KTM-STD

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Estimated Ship Date: Jan 26, 2026 if ordered today

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