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: DMS-RSMR100-4040

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Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4045MS-15

5.0 out of 5 stars ( 1 )

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP415543

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Pistons, Forged, Flat, 4.390 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2366F30

3.0 out of 5 stars ( 1 )

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Pro LS 2618 Forged Piston, 4.070 bore, 1.299 C.H., 2cc Dome, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-2999274070-2

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Pistons, Hypereutectic, Flat, 4.350 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Set of 8

Part Number: UEM-KB237-030

5.0 out of 5 stars ( 2 )

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Forged Pro pistons BB Chevy 502, 4.500 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 12cc open/closed chamber Dome 10.5@110cc, 10.2@114cc, 9.8@119cc.

Part Number: SUM-BBC502STD

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Pistons, Rings, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.080 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-S00205

5.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Set of 8

Part Number: UEM-KB160-060

5.0 out of 5 stars ( 3 )

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Pistons, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-40

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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 )

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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 )

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.898 in. Bore, 0.945 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9988C-STD

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Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP402015

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

Part Number: MLE-930244030

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Pistons, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Set of 8

Part Number: UEM-1160-030

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP030

5.0 out of 5 stars ( 2 )

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Race Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11442-8

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Pistons, Forged, 4.040 in. Bore, Ford, Set of 8

Part Number: TFS-51404330-40

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Pistons, Cast, Flat, 3.905 in. Bore, Checker, Chevy, GMC, Set of 8

Part Number: SLP-235NP30

4.5 out of 5 stars ( 2 )

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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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Piston Rings, Moly, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-243K60

5.0 out of 5 stars ( 1 )

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Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-M139-60

4.5 out of 5 stars ( 2 )

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Pistons, Hypereutectic, Dome, 4.060 in. Bore, Chevy, Set of 8

Part Number: UEM-KB157-060

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

Part Number: UEM-9906HC-030

5.0 out of 5 stars ( 1 )

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