1981 Pistons & Piston Rings

Piston Set, 351W / 5.8 SBF 351W K1-FX Series -4cc Flat Top Inline Piston Set. 4.040 bore

Part Number: DMS-K1-3550-4040

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Piston Set, 360 Mopar K1-FX Series -18cc Small Block Mopar Dish Top Piston Set. 4.030 bore

Part Number: DMS-K1-6353-4030

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Pistons, PowerPak Piston Kits, De-stroked, 4.030 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 5.7L, Set of 8

Part Number: MLE-930206630

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

Part Number: UEM-KB364-060

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Estimated Ship Date: Feb 5, 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 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: Jan 15, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB115-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.228 in. Bore, Harley-Davidson®, 8.20;1 Compression Ratio, Kit

Part Number: UEM-KB292-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Pistons, Red Series, Forged Aluminum, 4.020 Bore, -5.70cc Flat, 3.480 in. Stroke, 5.700 Rod, Chevy, Small Block, Set of 8

Part Number: WIS-RED0015X2

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Pistons, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-212156

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Pistons, Forged, Dome, Single Valve Relief, 4.350 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-212159

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Pistons, Forged, Dish, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.383 in. Rod, 1.270 in. Compression, Chevy, Set of 8

Part Number: JEP-338176

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Estimated Ship Date: Jan 20, 2026 if ordered today

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

Part Number: UEM-KB197-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston and Ring Kit, Forged, Dome, 4.310 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC783KTD-060

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Rings, Phosphate Coated, 3.765 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-5499030

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, 5/64 in., 5/64 in., 3/16 in. Rings, Chevy, Each

Part Number: SLP-WH860CP40

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB320-030

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB193KTM-030

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP020

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

Part Number: TFS-51404330-40

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Piston and Ring Kit, Forged, Dome, 3.950 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC845KTD-040

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Estimated Ship Date: Feb 5, 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: Feb 5, 2026 if ordered today

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385cid 4.040 x 1.425CH, 3.750stroke,5.700rod,0.927pin,-5.0cc,464g,11.2CR, 4032

Part Number: MLE-930200140-1

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Pistons, Hypereutectic, Flat, 3.950 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: UEM-KB167-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: MLE-930244230

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Estimated Ship Date: Jan 12, 2026 if ordered today

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