1956 GMC 100 Engines & Components

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

Part Number: HSN-2M139030

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

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: Today

Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139080

Not Yet Reviewed

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Chrome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-cylinder, Set

Part Number: HSN-2C139030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: HSN-2M139010

Not Yet Reviewed

Estimated Ship Date: Today

Rod Bearings, .040 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, Set of 8

Part Number: KGB-CR815CP040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Special Order

Rocker Arms, Stud Mount, Non-Roller, Stamped Steel, Nitro Carb, 1.6 Ratio, Fits 3/8 in. Stud, Long Slot, Chevy, Small Block, Set of 16

Part Number: PQX-6028316

Not Yet Reviewed

Estimated Ship Date: Today

Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139040

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order

ROCKER ARMS, STAMPED STEEL, CHEV 265-400, 1955-86, 1.5 x 3/8", Long Slot, Nitro-Carburized

Part Number: PQX-6028315

Not Yet Reviewed

Estimated Ship Date: Today

Cam Bearing, Steel Backed, Aluminum Alloy, Chevy, GMC, GM L6, Set

Part Number: KAA-CBS209

Not Yet Reviewed

Estimated Ship Date: Today

Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139060

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139010

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

• Drop Ship
• Special Order