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Clevite H-Series Main Bearings MS-909H-21 MAIN BEARING SET

SKU: CLEMS-909H-21

Main Bearings

Clevite H-Series Main Bearings MS-909H-21 MAIN BEARING SET

SKU: CLEMS-909H-21

Main Bearings
A$232.79
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Description

Clevite H-Series main bearings were developed primarily for NASCAR racing, but are well suited to other types of competition engines as well. They're especially good for engines that run at medium-to-high revs. They have steel backings with carefully selected overlays and a high crush factor, plus a medium level of eccentricity. H-Series bearings have enlarged chamfers at the sides for greater crank-fillet clearance and are made without flash plating for better seating. They are also available with either 180 degree or 360 degree oil grooves, as well as an extra 0.001 in. of clearance.

Part Type

Main Bearings

Data: v4.2 - Upd: 2026-10-14 10:28:46

Specifications

Product Attributes - Brand
Clevite Engine Parts
Product Attributes - Manufacturer's Part Number
MS-909H-21
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
Clevite H-Series Main Bearings
Product Attributes - UPC
027067471697
Product Attributes - Bearing Usage
Performance
Product Attributes - Engine Crankshaft Undersize (in.)
0.021 in.
Product Attributes - Engine Crankshaft Undersize (mm)
0.53mm
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper
Product Attributes - Groove Style
1/2
Product Attributes - Thrust Bearing Oversize
Stock
Product Attributes - Bearing Material
TM-77
Product Attributes - Quantity
Sold as a set of 5.

Reference Information

Brand Name/s Clevite
StreetFX SKU cleMS-909H-21
SFX Item ID 4886230
Supplier Item Code 4886230
Manufacturer SKU MS-909H-21
Manufacturer UPC N/A

Compatibility

Application Data
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesHigh Performance H Series (Tri-Metal) .021in Undersize
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade: High Performance Series: H Series (Tri-Metal) Size: .021" Undersize
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021" Undersize
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021" Undersize
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
    Engine VIN CodeD
  • MakeAM GENERAL
    ModelHUMMER
    SubmodelBASE
    Beginning Year1995
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
    Engine VIN CodeD
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesHigh Performance H Series (Tri-Metal) .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1980
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1981
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1981
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesHigh Performance H Series (Tri-Metal) .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1981
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1981
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1987
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1987
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesHigh Performance H Series (Tri-Metal) .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1987
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelBASE
    Beginning Year1987
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelGT
    Beginning Year1985
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
  • MakeAVANTI
    ModelII
    SubmodelGT
    Beginning Year1985
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesHigh Performance H Series (Tri-Metal) .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelGT
    Beginning Year1985
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeAVANTI
    ModelII
    SubmodelGT
    Beginning Year1985
    Ending Year1985
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesMaterial Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesColumn1 High Performance Column2 H Series (Tri-Metal) Column3 .021in Undersize Column13 Domestic Column20 93-68 GMC 4.9L-5.7L
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Application NotesEngine Version: Chevrolet. Material Grade: High Performance Series: H Series (Tri-Metal) Size: .021" Undersize
    Engine VIN CodeU

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