Pistons

Piston and Ring Kit, Hypereutectic, Step Head, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-040

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-030

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 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: Monday 2/23/2026 if shipped by air

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Pistons, Forged, 4.125 in. Bore, 4.000 in. Stroke, Dish Top, 6.125 in. Rod Length, 0.927 in. Pin Diameter, LS, Chevy, Set of 8

Part Number: PIS-1001171

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Piston, Hypereutectic, Step, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB356-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Step Head, 4.060 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-060

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-020

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-060

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Step Head, 4.020 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-020

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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

Part Number: UEM-KB356-040

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Hypereutectic, Step, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB356-040

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Hypereutectic, Step, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB356-060

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston and Ring Kit, Hypereutectic, Step Head, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-030

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order