1991 Pistons & Piston Rings

Piston Rings, Moly, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston, SX Series, Forged, Dish Top, 4.030 in. Bore, Ford, Set of 8

Part Number: DMS-8883-4030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 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-IC789KTD-060

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Pistons, Hypereutectic, Flat, 4.280 in. Bore, Chevy, Set of 8

Part Number: UEM-KB202-030

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston Rings, Phosphate Coated, 4.039 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Pistons, Hypereutectic, Chevy 350, Dish, 4.000 in. Bore, Each

Part Number: SLP-WH423DCP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Set, 347 Stroker SBF 289 - 302 E Series -6cc Dish Top Inline Piston Set. 4.030 bore

Part Number: DMS-K8740-4030

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

Part Number: UEM-IC782KTD-030

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Estimated Ship Date: May 11, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.250 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8562

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Pistons, E-Series, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8702-4040

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston and Ring Kit, Forged, Flat, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-IC744KTD-030

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Estimated Ship Date: May 11, 2026 if ordered today

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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 )

Estimated Ship Date: Today

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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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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M139S040

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Piston and Ring Kit, FHR Forged, Dome, 4.320 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9919KTM070

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, E-Series, Forged, Dish, 4.040 in. Bore, Ford, Set of 8

Part Number: DMS-8741-4040

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Pistons, E-Series, Forged, Flat, 4.000 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 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, for Single Piston, Set

Part Number: HSN-139S

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1 Set IC9971.040/1 Set 4000BD8.045

Part Number: UEM-IC9971KTD040

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Pro Tru Street, Forged Aluminum, Flat, Chevrolet, Small Block, Set of 8

Part Number: WIS-PTS504A4

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP30

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Piston and Ring Kit, Hypereutectic, Dome, 4.470 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB174KTD-004

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: UEM-9906HC-060

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Piston and Ring Kit, Hypereutectic, Dish, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB206KTM-060

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Estimated Ship Date: May 11, 2026 if ordered today

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