Clevite MS-1038HK | Engine Crankshaft Main Bearing Set

Part Number
Engine Crankshaft Main Bearing Set

Fits: Chevrolet Bel Air, Chevrolet Biscayne, Chevrolet Brookwood, Chevrolet C10, Chevrolet C20, Chevrolet C20 Suburban, Chevrolet C30, Chevrolet Caprice, Chevrolet Chevelle, Chevrolet El Camino, Chevrolet Estate, Chevrolet G10, Chevrolet G20, Chevrolet G30, Chevrolet Impala, Chevrolet K10, Chevrolet K10 Suburban, Chevrolet K20, Chevrolet K20 Suburban, Chevrolet K30, Chevrolet K5 Blazer, Chevrolet Kingswood, Chevrolet Laguna, Chevrolet Malibu, Chevrolet Monte Carlo, Chevrolet P10, Chevrolet P30, Chevrolet Townsman, GMC C15, GMC C1500, GMC C25, GMC C25 Suburban, GMC C2500, GMC C2500 Suburban, GMC C35, GMC C3500, GMC G15, GMC G1500, GMC G25, GMC G2500, GMC G35, GMC G3500, GMC Jimmy, GMC K15, GMC K15 Suburban, GMC K1500, GMC K1500 Suburban, GMC K25, GMC K25 Suburban, GMC K2500, GMC K2500 Suburban, GMC K35, GMC K3500, GMC Sprint, Oldsmobile Custom Cruiser, Oldsmobile Delta 88, Pontiac Bonneville

Special Price $76.49 Regular Price $89.99
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Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.

BRAND: Clevite


  • Engine Crankshaft Main Bearing Set


Bearing Item GradeHigh Performance
Bearing MaterialTM-77
Bearing SeriesK

H Series (Tri-Metal) Standard K - Coated 400 CID Engines Using 400 CID Crankshaft



  • Sealed Power: C140M


  • 1970-1976 Chevrolet Monte Carlo
  • 1979-1980 GMC G2500
  • 1976-1976 GMC C15
  • 1976-1976 Chevrolet G10
  • 1970-1970 Chevrolet Estate
  • 1979-1979 GMC C3500
  • 1975-1980 Chevrolet K20
  • 1976-1976 GMC G15
  • 1975-1980 Chevrolet G30
  • 1976-1978 Chevrolet C30
  • 1975-1979 Chevrolet K5 Blazer
  • 1977-1978 GMC K35
  • 1979-1979 GMC C2500
  • 1978-1978 GMC C15
  • 1974-1975 Pontiac Bonneville
  • 1975-1978 GMC K25 Suburban
  • 1975-1978 GMC K25
  • 1970-1975 Chevrolet Bel Air
  • 1970-1976 Chevrolet Impala
  • 1979-1980 GMC K2500
  • 1977-1977 Chevrolet P10
  • 1970-1972 Chevrolet Townsman
  • 1975-1978 GMC K15
  • 1975-1975 Oldsmobile Delta 88
  • 1976-1978 GMC C35
  • 1970-1972 Chevrolet Kingswood
  • 1973-1976 Chevrolet Malibu
  • 1976-1978 GMC C25
  • 1979-1980 GMC K1500 Suburban
  • 1973-1976 Chevrolet El Camino
  • 1976-1976 Pontiac Grand Prix
  • 1975-1979 Chevrolet K10 Suburban
  • 1979-1980 GMC K2500 Suburban
  • 1970-1972 Chevrolet Biscayne
  • 1976-1980 Chevrolet C20 Suburban
  • 1970-1973 Chevrolet Chevelle
  • 1975-1978 GMC K15 Suburban
  • 1975-1979 GMC Jimmy
  • 1979-1980 GMC K1500
  • 1975-1975 Oldsmobile Custom Cruiser
  • 1976-1980 Chevrolet C10
  • 1979-1980 GMC G3500
  • 1979-1980 GMC K3500
  • 1975-1980 Chevrolet K10
  • 1974-1976 GMC Sprint
  • 1980-1980 GMC C2500 Suburban
  • 1979-1979 GMC G1500
  • 1972-1972 GMC Sprint
  • 1976-1976 Chevrolet P30
  • 1977-1980 Chevrolet K30
  • 1970-1976 Chevrolet Caprice
  • 1976-1980 Chevrolet C20
  • 1975-1978 GMC G25
  • 1979-1980 GMC C1500
  • 1975-1980 Chevrolet G20
  • 1978-1978 GMC C25 Suburban
  • 1970-1972 Chevrolet Brookwood
  • 1975-1980 Chevrolet K20 Suburban
  • 1973-1976 Chevrolet Laguna
  • 1975-1978 GMC G35
Customer Questions
Will an engine flush clean my pistons?
No, an engine flush is unlikely to clean the pistons.
How to replace engine pistons?
Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.
When do engine pistons rings go bad?
Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.
Why do engine piston rings fail?
Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.
Can you replace engine pistons rings without removing the engine?
Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.
Are oil pump gears necessary?
Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.
How do oil pumps work?
Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.
Where is the oil pump located?
The oil pump is typically located inside the engine's lower oil pan or sump.
Why do oil pump failures happen?
Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.
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