1986 Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, Dome, 4.280 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB203KTM-030

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Pistons, Cast, Flat, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8

Part Number: UEM-3247-030

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston, Pro Tru Street Series, 23 Degree Head, 4.040 in. Bore, Forged Aluminum, Chevrolet, 350, Set of 8

Part Number: WIS-PTS502A4

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523040

5.0 out of 5 stars ( 1 )

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Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC30

4.75 out of 5 stars ( 4 )

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Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383040

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.040 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383040L

5.0 out of 5 stars ( 1 )

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.360 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5536

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: UEM-9912HC-020

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Pistons, Forged, Flat, 4.040 in. Bore, 351 Ford, Set of 8

Part Number: DMS-8720-4040W

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Pistons, Forged, Dome, 4.310 in. Bore, Chevy, Set of 8

Part Number: UEM-IC9919-060

4.0 out of 5 stars ( 1 )

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Forged Pro pistons for SB Chevy 350, 4.060 bore, 1.560 C.H., 3.48 in. stroke, 5.7 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72cc.

Part Number: SUM-SBC350060

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

Part Number: UEM-KB213-040

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Pistons, SX-Series, Forged, Dome, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8137-4030

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139020

5.0 out of 5 stars ( 1 )

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Pistons, Forged, Flat, 4.000 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-L2256F

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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-KB181-060

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB314KTM-STD

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Single Piston

Part Number: MAH-S2241850

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB119KTM-040

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L8, V8, Set of 8

Part Number: HSN-2M4346

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Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB116KTM-030

3.0 out of 5 stars ( 2 )

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

Part Number: UEM-9901HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston Set, 383 SBC E Series -18cc Dish Top Piston Set. 4.030 bore

Part Number: DMS-K8712-4030

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Engine Piston, Yamaha 480 Phazer '84-01 ProLite 2844CD

Part Number: WIS-2310M07225

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Estimated Ship Date: Mar 9, 2026 if ordered today

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