1991 Pistons & Piston Rings

Piston Rings, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-229X

5.0 out of 5 stars ( 2 )

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Pistons, Forged, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9952-060

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Piston and Ring Kit, Power Pak, 4.030 in. Bore, 3.50 in. Stroke, 6.00 in. Rod, Flat Top, Forged, Chevrolet, 350 CID, Kit

Part Number: MLE-930202630

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.030 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-SBC383030L

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Piston With Rings - NAVI 7.3L IDI DIESEL V8 "T" (030) W/PCR

Part Number: MAH-2242908WR030

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Estimated Ship Date: May 4, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Chevy, GMC, Oldsmobile, Pontiac, 4.3L, Set of 6

Part Number: SLP-H640DCP30

5.0 out of 5 stars ( 2 )

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Piston Set, 383 SBC E Series -4cc Flat Top Piston Set. 4.000 bore

Part Number: DMS-K8715-4000

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M592030

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

Part Number: UEM-KB228KTM-040

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532

1.0 out of 5 stars ( 1 )

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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-3101HC-040

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Piston, Hypereutectic, Flat Top, 4.030 in. Bore, 5/64 in, 5/64 in, 3/16 in. Ring Grooves, Ford, 289, 302, Each

Part Number: SLP-WH273CP30

5.0 out of 5 stars ( 2 )

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Piston, SX Series, Forged, Dome Top, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8157-4040

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Estimated Ship Date: Apr 20, 2026 if ordered today

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

Part Number: UEM-1186H-STD

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Piston and Ring Kit, Forged, Flat, 4.390 in. Bore, Ford, Big Block, Kit

Part Number: UEM-IC953KTD-030

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Estimated Ship Date: May 8, 2026 if ordered today

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Piston and Ring Kit, PowerPak Plus, 4.310 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, Domed, Forged, Chevrolet, Big Block, 454, Kit

Part Number: MLE-929907110

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Forged Pro pistons BB Chevy 540, 4.5 bore, 1.120 C.H., 4.25 in. stroke, 6.535 rod, 8cc Dome 10.6@110cc, 10.2@114cc, 10:1@119cc.

Part Number: SUM-BBC540STD8L

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Piston Rings, Moly, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K30

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Piston Rings, Ceramic PVD, 4.016 in. Bore, 3.0mm, 2.35mm, 4.0mm Thickness, 6-Cylinder, Set

Part Number: HSN-2D4914

5.0 out of 5 stars ( 1 )

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Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1470-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 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-9912HC-040

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-5615

5.0 out of 5 stars ( 1 )

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

Part Number: HSN-2M5615

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Pistons, Forged, Dish, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC947-060

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB100-060

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Estimated Ship Date: May 11, 2026 if ordered today

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