1966 Pistons - 4.030 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Speed-Pro Hypereutectic Pistons H273CP30

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP30

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Summit Racing™ Coated Hypereutectic SBF 289, 302 Pistons SUM-17303C-30

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: SUM-17303C-30

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Speed-Pro Forged Pistons L2165F30

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: SLP-L2165F30

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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KB Performance Pistons KB116.030

Pistons, Hypereutectic, Dome, 4.030 in. Bore, Ford, Set of 8

Part Number: UEM-KB116-030

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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KB Performance Pistons KB115.030

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: UEM-KB115-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Speed-Pro Forged Pistons for 1962-1965 CORVETTE - L2166AF30

Pistons, Forged, Dome with Two Valve Reliefs, 4.030 in. Bore, Chevy, Small Block, Set of 8

Part Number: SLP-L2166AF30

Not Yet Reviewed

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Mahle PowerPak Piston and Ring Kits 930200130

Piston and Ring Kit, PowerPak, Forged, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: MLE-930200130

Not Yet Reviewed

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Speed-Pro Piston and Ring Kits 8KH273CP30

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: SLP-8KH273CP30

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Speed-Pro Hypereutectic Pistons H660CP30

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: SLP-H660CP30

5.0 out of 5 stars ( 2 )

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Mahle PowerPak Piston and Ring Kits 930203630

Pistons, PowerPak Piston and Ring Kits, 4.030 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930203630

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Mahle PowerPak Piston Kits 930208930

Pistons, PowerPak Piston Kits, De-stroked, 4.030 in. Bore, Forged Aluminum, Step Head, Rings, Chevrolet, 327, Set of 8

Part Number: MLE-930208930

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3256-4030

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3256-4030

Piston Set, 331 Stroker SBF 289 - 302 K1-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-K1-3256-4030

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3156-4030

Piston Set, 347 Stroker SBF 289 - 302 K1-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-K1-3156-4030

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Silv-O-Lite Cast Pistons 1129.03

Pistons, Cast, Flat, 4.030 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring, Ford, Big Block FE, Set of 8

Part Number: UEM-1129-030

Not Yet Reviewed

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Sealed Power Cast Pistons 310AP30

Piston, Cast Flat Top, 4.030 in. Bore, Chevy, Checker, Set of 8

Part Number: SLP-310AP30

Not Yet Reviewed

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D.S.S. E Series Forged Pistons K8720-4030

PISTON KIT

Part Number: DMS-K8720-4030

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

D.S.S. SX-Series Forged Pistons 8840-4030

Piston Set, 289 / 302 / 5.0 SBF 289 - 302 SX Series -5cc Flat Top Inline / Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-8840-4030

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

ICON Premium Forged Piston and Ring Kits IC791KTD.030

Piston and Ring Kit, Forged, Dome, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC791KTD-030

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Mahle PowerPak Piston and Ring Kits 930207930

Piston and Ring Kit, Forged, 4.030 in. Bore, Chevy, Kit

Part Number: MLE-930207930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

KB Performance Pistons KB157.030

Pistons, Hypereutectic, Dome, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-KB157-030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3516-4030D

+6cc Dome Top SBF 20 Degree Inline Forged 4032

Part Number: DMS-K135164030D

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Speed-Pro Forged Pistons L2482F30

Pistons, Forged, Flat, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2482F30

Not Yet Reviewed

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D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-3502-4030

Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-K1-3502-4030

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

D.S.S. E Series Forged Piston and Ring Kits K8723-4030

Piston Set, 289 / 302 / 5.0 SBF 289 - 302 E Series -13cc Dish Top Inline Piston Set. 4.030 bore

Part Number: DMS-K8723-4030

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons 3101HC.030

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

Part Number: UEM-3101HC-030

Not Yet Reviewed

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