GMC Sealed Power | Summit Racing

Sealed Power Main Bearing Sets 4294M 30

Main Bearings, 0.030 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-232K 30

Sealed Power Performance Piston Ring Sets E-232K 30

Piston Rings, Moly, 4.123 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K30

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Hypereutectic Pistons H423DCP 40

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Set of 8

Part Number: SLP-H423DCP40

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Hypereutectic Pistons H640DCP 30

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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-997K .50MM

Piston Rings, Performance Piston Ring Sets, Moly, 4.085 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SLP-E997K50MM

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-997K

Piston Rings, Performance Piston Ring Sets, Moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SLP-E-997K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Main Bearing Sets 960M 10

Main Bearings, Tri-Metal, .010 Crankshaft Undersize, Chevy, GMC, Pontiac, 235, 261, Set of 4

Part Number: SLP-960M10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Cast Pistons 235NP 40

Pistons, Cast, Flat, 3.915 in. Bore, Checker, Chevy, GMC, Set of 8

Part Number: SLP-235NP40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power MA Series Main Bearings 7298MA 10

Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chevy, GMC, Pontiac, 4.8L, 5.3L, 5.7L, 6.0L, Set of 5

Part Number: SLP-7298MA10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-232K 40

Piston Rings, Moly, 4.134 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K40

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Hypereutectic Pistons H749CP 30

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

Part Number: SLP-H749CP30

1.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Competition Series Main Bearings 152M1X

Main Bearings, Competition, 0.001 in. Oversize, .001 extra clearance Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M1X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-459K

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. 6-Cylinder, 0.190 in. Deep Groove, VIN Z, Set

Part Number: SLP-E-459K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-937K .75MM

Piston Rings, Moly, 96.75mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K75MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-937K .25MM

Piston Rings, Steel, 3.789 in. Bore, 1.5 mm., 1.5 mm., 3.0 mm., Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K25MM

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-997K .25MM

Piston Rings, Performance Piston Ring Sets, Moly, 4.075 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SLP-E997K25MM

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Main Bearing Sets 4294M 20

Main Bearings, 0.020 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power CP-Series Rod Bearings 8-1555CPA 20

Rod Bearings, CP-Series, 0.020 in. Crankshaft Undersize, Tri Metal, Pontiac, V8, Set of 8

Part Number: SLP-8-1555CPA20

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-232K

Piston Rings, Moly, 4.093 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-634K

Piston Rings, Moly, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Shallow 0.170 in. Oil Ring Groove, 8-Cylinder, Set

Part Number: SLP-E-634K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-245K 40

Piston Rings, Moly, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245K40

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Hypereutectic Pistons H815DCP 20

Pistons, Hypereutectic, Dish, 4.020 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H815DCP20

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-240K 40

Piston Rings, Moly, 3.790 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-240K40

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Speed-Pro Competition Series Main Bearings 152M10

Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M10

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Sealed Power Performance Piston Ring Sets E-553K 40

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

Part Number: SLP-E-553K40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

GMC Sealed Power Parts and Accessories