Pistons, Rings, Wrist Pins, Bushings & More

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

Part Number: SUM-133-M139-40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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: Monday 12/8/2025

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.Piston Rings, 3.741 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3741XS

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 2.776 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-2776XM

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP403010

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Estimated Ship Date: Monday 12/8/2025

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Forged Pro pistons for Olds 455, 4.155 bore, 1.750 C.H., 4.250 in. stroke, 6.735 in. rod, 17cc dish, 10.25@58cc, 9.9@60cc, 9.5@64cc, 9.2@88cc.

Part Number: SUM-BBO455030

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP400064

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406515

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP456016

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP415515

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553240

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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

Part Number: DMS-RSMR100-4040

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Estimated Ship Date: Monday 12/8/2025

Piston Rings, Plasma-Moly, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553440

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

.Piston Rings, 3.150 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3150XC

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Estimated Ship Date: Monday 12/8/2025

.Piston Rings, 3.032 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3032XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.050 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3051XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.110 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3110XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.228 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3228XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.268 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3268XC

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.Piston Rings, 3.287 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3287XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.307 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3307XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 3.386 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3386XC

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.Piston Rings, 3.500 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-3544XC

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 2.562 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-2562XM

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Estimated Ship Date: Dec 26, 2025 if ordered today

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.Piston Rings, 2.567 in. Bore, Jr. Race Car, Set

Part Number: JRC-952-2567XM

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Estimated Ship Date: Dec 26, 2025 if ordered today

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