Sealed Power 960M Engine Crankshaft Main Bearing Set

Brand Sealed Power 960M
Package Alert Full set
Part Alert Use w/FSM-124S shim set
Part Material Steel backed overplated bronze alloy
Standard Size Standard
Fits Chevrolet, GMC, and Pontiac · 28 vehicles

Standard size. Fits standard rebuilds without oversizing.

Steel-backed bronze alloy. Combines strength with smooth bearing surfaces.

Vintage components. Built for classic engine rebuilds with like-new performance.

Cross-references 860P, 5788535 and MB404AM for the same application. See all 7.

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Sealed Power 960M Main Bearing Set

Sealed Power 960M is a vintage engine crankshaft main bearing set for classic Chevrolet and Pontiac rebuilds. It is built for standard-size applications and uses steel backed overplated bronze alloy for restoration work that calls for accurate bearing support and durable wear characteristics.

Key Features

  • Engine crankshaft main bearing set for vintage engine rebuilds
  • Standard size for original-spec restoration applications
  • Steel backed overplated bronze alloy construction
  • Use with FSM-124S shim set
  • Sealed Power Vintage components for engines over 35 years old
  • Part number 960M for catalog and interchange lookup

Detailed Description

Sealed Power 960M is intended for classic engine rebuilds where standard-size main bearings are required. The steel backed overplated bronze alloy construction supports consistent bearing performance in older engines, while the Vintage components line focuses on coverage for applications more than 35 years old. This makes it a direct choice for restoration projects involving Chevrolet Bel Air, Chevrolet Impala, Chevrolet El Camino, Pontiac Laurentian, and Pontiac Parisienne engines listed in the fitment data. If you are sourcing a Sealed Power 960M bearing set for a vintage Chevrolet or Pontiac rebuild, this part number helps simplify identification and ordering.

This part cross-references 860P and MB404AM for the same application.

What It Helps Address

  • Crankshaft main bearing wear during engine overhaul
  • Loss of proper bearing clearance in standard-size rebuilds
  • Restoration needs for older Chevrolet and Pontiac engines
  • Replacement of worn bearings in classic Bel Air, Impala, and El Camino engines
  • Replacement of worn bearings in Laurentian and Parisienne engines

Installation Notes and Tips

Verify crankshaft journal condition and measure clearances before assembly. This bearing set requires the FSM-124S shim set, so confirm that the correct shim package is on hand before final engine assembly. Match the standard-size specification to the crankshaft and follow factory service procedures for the specific Chevrolet or Pontiac engine being rebuilt.

Quality Assurance

Sealed Power Vintage components are manufactured with ISO and QS certified processes and are engineered for restoration use in older engines. The 960M part number is supported by interchange references and fitment data for 1956-1962 Chevrolet Bel Air, 1958-1962 Chevrolet Impala, 1959-1960 Chevrolet El Camino, 1956-1962 Pontiac Laurentian, and 1959-1962 Pontiac Parisienne applications.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1962ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1962ChevroletImpala3.8LL6N/AUse with FSM-124S Shim Set; Standard
1962PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1962PontiacParisienne4.3LL6N/AUse with FSM-124S Shim Set; Standard
1961ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1961ChevroletImpala3.8LL6N/AUse with FSM-124S Shim Set; Standard
1961PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1961PontiacParisienne4.3LL6N/AUse with FSM-124S Shim Set; Standard
1960ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1960ChevroletBel Air3.9LL6N/AUse with FSM-124S Shim Set; Standard
1960ChevroletEl Camino3.8LL6N/AUse with FSM-124S Shim Set; Standard
1960ChevroletImpala3.8LL6N/AUse with FSM-124S Shim Set; Standard
1960PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1960PontiacParisienne4.3LL6N/AUse with FSM-124S Shim Set; Standard
1959ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1959ChevroletEl Camino3.8LL6N/AUse with FSM-124S Shim Set; Standard
1959ChevroletImpala3.8LL6N/AUse with FSM-124S Shim Set; Standard
1959PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1959PontiacParisienne4.3LL6N/AUse with FSM-124S Shim Set; Standard
1958ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1958ChevroletImpala3.8LL6N/AUse with FSM-124S Shim Set; Standard
1958PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1957ChevroletBel Air3.9LL6N/AUse with FSM-124S Shim Set; Standard
1957ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1957PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
1956ChevroletBel Air3.9LL6N/AUse with FSM-124S Shim Set; Standard
1956ChevroletBel Air3.8LL6N/AUse with FSM-124S Shim Set; Standard
1956PontiacLaurentian4.3LL6N/AUse with FSM-124S Shim Set; Standard
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
860P5788535MB404AMMBS556CPMS197PMS1721PVP597