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Pistons, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS510A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Piston and Ring Kit, Pro Tru Street, Forged Aluminum, Flat Top, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: WIS-PTS525A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pistons, Forged, Flat, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8

Part Number: JEP-243038-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Pistons, Forged, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC849-040

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Pistons, Hypereutectic, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB128-040

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Piston Set, 400 SBC SX Series -5cc Flat Top Piston Set. 4.165 bore

Part Number: DMS-K8120-4165

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.800 in. Stroke, 6.000 in. Rod, 1.100 in. Compression, Chevy, Set of 8

Part Number: JEP-182052-8

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.165 in. Bore, Chevy Small Block, Set of 8

Part Number: HRS-841612306

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Piston Set, 400 SBC SX Series -28cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-K8126-4165

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Piston and Ring Kit, Forged, Dome, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC763KTD-040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Piston and Ring Kit, Forged, Step Dish, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC851KTD-040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 4.250 in. Stroke, Dish, Pontiac, Set of 8

Part Number: UEM-IC981-040

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Pistons, Pro Tru Street, Forged Aluminum, Flat Top, 4.165 in. Bore, Rings, Chevrolet, 6.6L, Single Piston, Each

Part Number: WIS-5510A4

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-6003-4165

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6000-4165

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Piston Set, 400 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6020-4165D

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Pistons, Forged, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC756-040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Piston Set, 434 SBC SX Series -16cc Dish Top Piston Set. 4.165 bore

Part Number: DMS-8183-4165

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Piston Set, 420 SBC SX Series +4cc Dome Top Piston Set. 4.165 bore

Part Number: DMS-8147-4165

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

434 CHEVY SMALL BLOCK -21CC DI

Part Number: DMS-8125-4165

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Pistons, Hypereutectic, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB194-040

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Left, Each

Part Number: JEP-182042L

Not Yet Reviewed

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Piston, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Each

Part Number: ROS-W99476L

Not Yet Reviewed

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Pistons, Ultra-Light GP, Forged, Flat Top, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8

Part Number: JEP-194340-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Piston, 23-Degree, Forged, Dish, D-Shaped Cup, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each

Part Number: JEP-194888-1

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today