1991 CHEVROLET Pistons & Piston Rings

Pistons, Forged, Flat, 4.060 in. Bore, 350 Chevy, Set of 8

Part Number: DMS-8700-4060

5.0 out of 5 stars ( 1 )

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS505A3

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Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X40

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Pistons, Forged, Dish, 4.030 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS508A3

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

Part Number: UEM-9904HC-030

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9902HC-STD

3.5 out of 5 stars ( 2 )

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

Part Number: UEM-KB120KTM-030

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Piston Rings, Claimer Series Performance Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-CM5532030

4.55 out of 5 stars ( 11 )

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Piston Rings, Cast Iron, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X60

5.0 out of 5 stars ( 3 )

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Forged Pro pistons for 383 Stroker Chevy, 4.030 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-SBC383030

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Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Kit

Part Number: UEM-9901HCKTMSTD

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP20

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Pistons, Hypereutectic, Dome, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H617CP

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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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Piston Set, 350 SBC E Series -4cc Flat Top Piston Set. 4.030 bore

Part Number: DMS-K8700-4030

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

Part Number: UEM-KB203KTM-030

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Piston Rings, Plasma-moly, 4.005 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139005

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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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Pistons, Hypereutectic, Dome, 4.270 in. Bore, Chevy, Set of 8

Part Number: SLP-H693CP20

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Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 4.000 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, V8, Set

Part Number: MAH-41616CP

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Piston Rings, Moly, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K10

3.75 out of 5 stars ( 4 )

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Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: SUM-17360FC-60

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB207KTD-040

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Forged Pro pistons for SB Chevy 350 Long Rod, 4.040 bore, 1.260 C.H., 3.48 in. stroke, 6 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72.

Part Number: SUM-SBC350040L

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Piston Rings, Claimer Series Performance Piston Ring Sets, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-CM5532

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