GMC Pistons & Piston Rings

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

Part Number: HSN-2M139040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532030

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: HSN-139030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Moly, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-243K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5519030

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1506CPA75MM

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.085 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42082CP020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860020

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Performance, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Chevy LS, V8, Set

Part Number: MAH-42157CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Pistons, Cast, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1436C-030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: MAH-40564CP060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: SLP-L2256F30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, Moly, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-233K40

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523030

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1506CPA

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, 4.020 in. Bore, 5/64, 5/64, 3/16, .200 in. Deep Oil Groove, Moly Top Ring, Set

Part Number: SLP-E-251K20

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Cast Iron, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245X

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UEM-9902HC-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Pistons, Hypereutectic, Flat, 4.250 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H661CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: SLP-H815DCP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: SLP-L2256F

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Shallow Oil Ring Groove, V8, Set

Part Number: MAH-51476CP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Plasma-moly, 3.799 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978020

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, Plasma-moly, 3.799 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air