Pistons - 4.250 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Silv-O-Lite Cast Pistons 1271.STD

Pistons, Cast, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-1271-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC993KTD.STD

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.250 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC993KTD-STD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON Premium Forged Pistons IC782.STD

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

Part Number: UEM-IC782-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons 3440HC.STD

Pistons, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3440HC-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC785KTD.STD

Piston and Ring Kit, Forged, Flat, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC785KTD-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON Premium Forged Pistons IC789.STD

Pistons, Forged, Dome, 4.250 in. Bore, Chevy, Set of 8

Part Number: UEM-IC789-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9918KTM.STD

Piston and Ring Kit, FHR Forged, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9918KTMSTD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Pistons IC9919.STD

Pistons, Forged, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9919-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Dualoy Cast Pistons 7201D.1.0MM

Pistons, Cast, Flat, 4.250 in. Bore, Diesel, Dodge, Cummins, 24-Valve, Set of 6

Part Number: UEM-7201D-1-0MM

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

KB Performance Pistons KB210.STD

Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB210-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

KB Performance Pistons KB400.STD

Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB400-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

KB Performance Pistons KB257.STD

Pistons, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Set of 8

Part Number: UEM-KB257-STD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Speed-Pro Hypereutectic Pistons H581CP

3 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Silv-O-Lite Hypereutectic Pistons 1448HC.STD

Pistons, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1448HC-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Diamond Pistons Domestic Series Pistons 52530-8

Diamond Pistons Domestic Series Pistons 52530-8

Domestic Series - 900HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-52530-8

Not Yet Reviewed

Estimated Ship Date: Today

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CP Pistons Bullet Series Piston and Ring Kits BBFR6550-030-SET

Pistons, Forged Aluminum, Dish, +22.05cc Piston Head Volume, 4.250 in. Bore, 3.976 in. Stroke, 6.319 in. Rod Length, Set of 8

Part Number: CNN-S10046

Not Yet Reviewed

Estimated Ship Date: Today

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Silv-O-Lite Hypereutectic Pistons S3474HC.STD

Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3474HC-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Call to Order

KB Performance Hyper Piston and Ring Kits KB397KTD.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB397KTD-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB201KTD.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB201KTD-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB202KTM.STD

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 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons S3475HC.STD

Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3475HC-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

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KB Performance Hyper Piston and Ring Kits KB400KTM.STD

Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB400KTM-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9920KTM.STD

Piston and Ring Kit, FHR Forged, Flat, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9920KTMSTD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9983KTD.STD

Piston and Ring Kits, FHR, Forged 4032 Aluminum, 4.250 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC9983KTDSTD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9950KTM.STD

Piston and Ring Kit, FHR Forged, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9950KTMSTD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ICON FHR Series Piston and Ring Kits IC9951KTM.STD

Piston and Ring Kit, FHR Forged, Flat, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9951KTMSTD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today