1981 Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-040

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 3.796 in. Bore, Chevy, Set of 8

Part Number: SLP-H534CP60

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Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508065

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.635 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-010

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3437HC-040

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Each

Part Number: JEP-138089S

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1177HC-040

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.389 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, Ford, V8, Set of 8

Part Number: HSN-2M5536030

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3437HC-020

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Estimated Ship Date: Mar 23, 2026 if ordered today

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BBC "Quick 16" +42cc Dome 1.120"

Part Number: WIS-6478B100

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3475HC-STD

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Pistons, Cast, 4.060 in. Bore, Dish, 1.540 in. Compression Height, Press Fit Pin, 5/64 x 5/64 x 3/16 Ring Grooves, Chevy, GMC, Pontiac, Set of 8

Part Number: UEM-1470-060

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3474HC-STD

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-1170-STD

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: SLP-H405CP40

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Pistons, Hypereutectic, Dish, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, V8, Set of 8

Part Number: UEM-1143HC-040

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Estimated Ship Date: Mar 23, 2026 if ordered today

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

Part Number: UEM-1177HC-030

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Pistons, Cast, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3136-060

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1476HC-060

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Estimated Ship Date: Mar 20, 2026 if ordered today

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

Part Number: UEM-1279HC-030

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.060 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.260 in. Compression, Chevy, Each

Part Number: JEP-329434S

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5612

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8571030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5515

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 4

Part Number: UEM-KB218-030

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Estimated Ship Date: Mar 20, 2026 if ordered today

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