Pistons, Rings, Wrist Pins, Bushings & More

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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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-40

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Pistons, Hypereutectic, Flat, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1506CPA

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Pistons, Hypereutectic, Flat, 102.35mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3517HC-75MM

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Pistons, PowerPak Plus, Twisted Wedge, Forged 2618 Aluminum, 4.030 in. Bore, Flat Top, Rings Included, Ford, Small Block, Set of 8

Part Number: MLE-930250530

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Pistons, Hypereutectic, 4.065 in. Bore, Flat, 1.328 in. Comp. Height, Floating Pin, 1.5mm x 1.5mm x 2.5mm Ring Grooves, Cadillac, Chevy, GMC, Set of 8

Part Number: UEM-3530HCASTD

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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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: Monday 3/16/2026 if shipped by air

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Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS505A6

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Pistons, Forged, Flat, 4.280 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: SLP-L2315NF30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP428016

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston, Pro Tru Street Series, 4.310 in. Bore, Forged Aluminum, Includes Wrist Pins and Ring Set, Chevrolet, 454, Set of 8

Part Number: WIS-PTS522A6

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Pro Seal, Gas Nitrided, 4.610 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: JEP-JG770846105

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-M139-00

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Pistons, Hypereutectic, Dish, 3.895 in. Bore, Jeep, L6, Set of 6

Part Number: SLP-H802CP20

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Wrist Pin Retainer, Spiral, 1.081 in. Diameter, .042 in. Thick, Each

Part Number: JEP-990-042-CS

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: UEM-9904HC-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Pistons, Forged, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9952-030

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-STD

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.125 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8505005

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston and Ring Kit, Forged, 4.075 in. Bore, Chevrolet LS, Set of 8

Part Number: MLE-930227875

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: UEM-KB193-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: UEM-KB422-030

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407512

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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