1981 Pistons & Piston Rings

Piston, Cast, Dish, 3.776 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1449-040

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1476HC-020

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Piston, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1476HC-STD

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Piston, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1479H-020

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Piston, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Each

Part Number: UEM-S1160-030

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Piston, Cast, Dish, 3.875 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-STD

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Piston, Cast, Dish, 3.820 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1746-020

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Piston, Cast, Dish, 3.830 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1746-030

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Piston, Cast, Dish, 3.840 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1746-040

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Piston, Hypereutectic, Flat, 96.5mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Mercury, L4, Each

Part Number: UEM-S3124H-5MM

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Piston, Hypereutectic, Flat, 96.75mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Mercury, L4, Each

Part Number: UEM-S3124H-75MM

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 55.25mm Length, Each

Part Number: WIS-S486

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston Pin, Steel, Straight, 14.29mm x 46.00mm, Each

Part Number: WIS-S510

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Piston Pin, Steel, Chrome, Straight, 20.10mm x 66.00mm, Harley-Davidson®, Each

Part Number: WIS-S521

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 50.00mm Length, Each

Part Number: WIS-S255

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 52.00mm Length, Each

Part Number: WIS-S256

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 56.00mm Length, Each

Part Number: WIS-S259

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Piston Wrist Pin, Powersports, Tapered, Steel, 16.00mm Diameter, 47.00mm Length, Each

Part Number: WIS-S270

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Piston Wrist Pin, Powersports, Tapered, Steel, 18.00mm Diameter, 65.50mm Length, Each

Part Number: WIS-S277

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Piston Wrist Pin, Powersports, Straight, Steel, 19.00mm Diameter, 63.50mm Length, Each

Part Number: WIS-S376

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Piston Wrist Pin, Powersports, Straight, Steel, 10.00mm Diameter, 32.90mm Length, Each

Part Number: WIS-S630

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Piston Pin, Steel, Straight, 16.00mm x 44.00mm, Each

Part Number: WIS-S637

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Piston Rings, Chrome, 63.00mm, Moto-Ski, Ski-Doo, Suzuki, Set

Part Number: WIS-2480CD

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Piston Rings, Chrome, 65.50mm, Polaris, Suzuki, Yamaha, Set

Part Number: WIS-2579CD

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Piston Rings, Chrome, 41.00mm, Cobra, Kawasaki, KTM, LEM, Suzuki, Yamaha, Set

Part Number: WIS-1614CD

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Estimated Ship Date: Feb 2, 2026 if ordered today

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