Pistons - 3.750 in. Stroke - 0.980 in. Pin Diameter (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Pistons KB422.030

Pistons, KB Performance Pistons, Hypereutectic Aluminum, 0.030 in. Oversize, Pontiac, 400, Set of 8

Part Number: UEM-KB422-030

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Summit Racing™ Forged Pro Pistons SUM-BBP400030

Forged Pro pistons for Pontiac 400, 4.150 bore, 1.715 C.H., 3.75 in. stroke, 6.625 in. rod, 6cc flat top, 11.3@64cc, 10.3@72cc, 9.6@80cc, 9:1@87cc.

Part Number: SUM-BBP400030

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Silv-O-Lite Cast Pistons 1516.03

PISTON SET

Part Number: UEM-1516-030

5.0 out of 5 stars ( 1 )

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KB Performance Pistons KB133.030

Pistons, Hypereutectic, Flat, 4.150 in. Bore, Pontiac, Set of 8

Part Number: UEM-KB133-030

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ICON Premium Forged Pistons IC891.040

Pistons, Forged, Dish, 4.160 in. Bore, Pontiac, Set of 8

Part Number: UEM-IC891-040

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Sealed Power Cast Pistons 411NP30

Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8

Part Number: SLP-411NP30

5.0 out of 5 stars ( 1 )

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D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6104-4150C

-14cc Dish Top Pontiac Early and Late Forged 4032

Part Number: DMS-1-6104-4150C

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Estimated Ship Date: Oct 7, 2025 if ordered today

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D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6100-4150C

-7cc Flat Top Pontiac Late Forged 2618

Part Number: DMS-K261004150C

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Estimated Ship Date: Oct 7, 2025 if ordered today

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D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6100-4125C

-7cc Flat Top Pontiac Late Forged 4032

Part Number: DMS-K161004125C

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Estimated Ship Date: Oct 7, 2025 if ordered today

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KB Performance Pistons KB422.060

PISTON SET

Part Number: UEM-KB422-060

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Estimated Ship Date: Oct 27, 2025 if ordered today

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KB Performance Hyper Piston and Ring Kits KB370KTM.030

Piston and Ring Kit, Hypereutectic, Flat, 4.093 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB370KTM-030

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Estimated Ship Date: Oct 27, 2025 if ordered today

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KB Performance Pistons KB133.060

Pistons, Hypereutectic, Flat, 4.180 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac, Set of 8

Part Number: UEM-KB133-060

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB133KTM.030

Piston and Ring Kit, Hypereutectic, Flat, 4.150 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB133KTM-030

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Estimated Ship Date: Oct 27, 2025 if ordered today

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KB Performance Pistons KB346.030

Pistons, Hypereutectic, Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8

Part Number: UEM-KB346-030

5.0 out of 5 stars ( 1 )

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Sealed Power Cast Pistons 411NP

Pistons, Cast, Flat, 4.120 in. Bore, Pontiac, Set of 8

Part Number: SLP-411NP

5.0 out of 5 stars ( 2 )

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Sealed Power Cast Pistons 411NP40

Pistons, Cast, Flat, 4.160 in. Bore, Pontiac, Set of 8

Part Number: SLP-411NP40

5.0 out of 5 stars ( 1 )

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KB Performance Pistons KB370.030

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: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

KB Performance Pistons KB346.040

Pistons, Hypereutectic, Dish, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac V8, Set of 8

Part Number: UEM-KB346-040

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Estimated Ship Date: Oct 27, 2025 if ordered today

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ICON FHR Series Pistons IC9946.030

Pistons, Forged, Flat, 4.150 in. Bore, Pontiac, V8, Set of 8

Part Number: UEM-IC9946-030

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Estimated Ship Date: Oct 27, 2025 if ordered today

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ICON FHR Series Piston and Ring Kits IC9946KTM.STD

Piston and Ring Kit, FHR Forged, Flat, 4.120 in. Bore, Pontiac, V8, Kit

Part Number: UEM-IC9946KTMSTD

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Sealed Power Cast Pistons 411NP20

Pistons, Cast, Flat, 4.140 in. Bore, Pontiac, Set of 8

Part Number: SLP-411NP20

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D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6162-3905C

-7cc Flat Top Pontiac Early and Late Forged 4032

Part Number: DMS-K161623905C

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC890KTD.030

Piston and Ring Kit, Forged, Flat, 4.150 in. Bore, Pontiac, V8, Kit

Part Number: UEM-IC890KTD-030

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Silv-O-Lite Cast Pistons 1516.STD

Silvolite Piston - 6.4L GM 59-66 Pontiac 389 (V8)

Part Number: UEM-1516-STD

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6100-4100

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6100-4100

Piston Set, 389 Late Pontiac 1-FX Series -7cc Late Flat Top Piston Set. 4.100 bore

Part Number: DMS-1-6100-4100

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today