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Clevite MS909H21

Main Bearing Set Chevy 1968-2002 V8 262/267/302/305/307/327/350 with -.021" Undersize

Clevite MS909H21

695-MS909H21

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Clevite MS909H21 Main Bearing Set Chevy 1968-2002 V8 262/267/302/305/307/327/350 with -.021" Undersize $75.99
Main Bearing Set
  • Chevy
  • 1968-2002
  • V8 262/267/302/305/307/327/350ci (4.3/5.0/5.4/5.7L)
  • -.021" Undersize
  • H Series

  • Clevite MS909H21 Details

    Main Bearing Sets

    Notes
  • H Series Bearings - High-Performance Bearing
  • Contains 1/2 grooved bearings
  • "Medium" Journal Engines
  • Works with 1992-1997 Gen II LT1 engines

  • Specifications:

    Manufacturer's Part Number:
    MS-909H-21

    These Tri-Metal 77 engine bearings combine the strength of a copper-lead alloy layer with steel backing and an electroplated babbitt metal. The steel backing provides strength and durability; the babbitt overlay provides the critical surface characteristics of slipperiness and conformability. This ideal design has properties not even found in many original equipment bearings. Clevite offers main bearings, rod bearings and cam bearings in this series.

    H Series -
  • Best to start with when unsure which bearing to choose
  • Medium level of eccentricity and high crush
  • Enlarged chamfers for greater crankshaft fillet clearance
  • Made without flash plating for better seating
  • Use with crankshafts that have oversized fillets
  • Use with engines that run mid-high RPM range
  • Contact patterns should ideally cover 2/3 to 3/4 of the bearing surface

    P Series -
  • Typically the greatest level of eccentricity
  • Rods and mains have high crush for maximum retention
  • Most are fully grooved to maximize oil flow to rod bearings
  • Reduced overlay thickness to prevent overlay fatigue
  • Use where extremely high RPMs cause severe rod bore close-in
  • Use where higher eccentricity is desired to narrow bearing contact patterns

    V Series -
  • This series essentially duplicates Clevite's former Vandervell parts
  • Typically low to medium eccentricity
  • Not available with oversized chamfers
  • No flash plating on the steel back
  • All Clevite main bearing sets use a single-piece thrust bearing
  • Narrowed parts available to accommodate increased crankshaft fillet clearance
  • Lead-indium overlay offers slightly better conformability

    M Series -
  • These are special purpose bearings having a nominal .005" thick Babbitt lining on a hardened steel back
  • They are intended mainly for Blown Fuel engines where severe crankshaft deflections cause edge loading of the bearings
  • Under these operating conditions bearing service life will be very short
  • Frequent inspection and replacement is recommended


    Part Number Key
    • H - High-Performance
    • HD - High-Performance bearing with dowel hole
    • HK - High-Performance bearing with moly/graphite coating
    • P - Standard Clevite 77 tri-metal bearing
    • M - Blown Fuel Engine bearing for severe crankshaft deflections & edge loading
    • N - High-Performance Narrowed for greater crankshaft fillet clearance
    • HG - High-Performance full angular grooved bearing
    • V - High-Performance with Lead Indium overlay (On Main Sets this indicates partial groove also)
    • VG - High-Performance with Lead Indium full angular grooved bearing
    • D - Bearing has a dowel hole
    • K - Tri-Armor coated bearing
    • X - Bearing has .001 more oil clearance than standard
    • XX - Bearing has .002 more oil clearance than standard
    • A or AL - Indicates Aluminum bearing material

    Note: Clevite main bearings are priced as sets.

  • Does Clevite MS909H21 fit your vehicle?

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    1970-1971 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 GMC C25/C2500 PICKUP

    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982 CHEVROLET IMPALA

    • Liter: 4.4
    • SubModel: ESTATE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1979-1980 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET MALIBU

    • CC: 5031
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1986 GMC K2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984-1996 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1993 GMC K1500

    • Liter: 5.7
    • SubModel: SIERRA SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995-1997 GMC YUKON

    • Liter: 5.7
    • SubModel: SLT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969 GMC G15/G1500 VAN

    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 GMC G15/G1500 VAN

    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977 OLDSMOBILE OMEGA

    • Liter: 5.0
    • SubModel: F85
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994-1995 CHEVROLET C2500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976-1977 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: BROUGHAM
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1981-1989 CHEVROLET G20 VAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: CHEVY VAN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 GMC R2500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1994-1995 GMC C1500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA SL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET NOVA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1976-1977 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1976-1980 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: POLICE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BERLINETTA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1987 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: IROC-Z

    1981-1986 GMC K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1996 GMC K2500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1984 CHEVROLET CAMARO

    • Liter: 5.0
    • SubModel: Z28
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 OLDSMOBILE CUTLASS CALAIS

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1995-1999 CHEVROLET TAHOE

    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1998-1999 GMC YUKON

    • EngineType: ALL
    • SubModel: SLE

    1990-1992 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM GTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 CHEVROLET MALIBU

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1975-1976 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1978-1979 CHEVROLET G20 VAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: NOMAD
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1969-1971 CHEVROLET BEL AIR

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET BLAZER

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2001-2002 GMC SAVANA 2500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 BUICK LESABRE

    • Liter: 4.4
    • SubModel: CUSTOM
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1978-1979 BUICK CENTURY

    • Liter: 5.0
    • SubModel: SPECIAL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1997 CHEVROLET C2500 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET EL CAMINO

    • EngineType: ALL
    • SubModel: SS

    1983-1984 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: BONAVENTURE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982 BUICK REGAL

    • Liter: 4.4
    • SubModel: LIMITED
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1996-2000 GMC SAVANA 2500

    • Liter: 5.0
    • SubModel: SLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 GMC G15/G1500 VAN

    • Liter: 5.0
    • SubModel: VANDURA
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982-1995 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: VANDURA SPECIAL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969-1973 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1987-1989 GMC R2500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1993 GMC K1500

    • Liter: 5.0
    • SubModel: SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984-1986 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • SubModel: CONCOURS ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1986 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1981 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • SubModel: ROYAL KNIGHT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1986 GMC C2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 OLDSMOBILE CUTLASS SALON

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1968 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1995-1996 AM GENERAL HUMMER

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979 CHEVROLET K10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977-1979 CHEVROLET G10 VAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1989-1991 CHEVROLET R3500 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 CHEVROLET C10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1977-1979 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: CLASSIC ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 OLDSMOBILE CUTLASS

    • Liter: 4.4
    • SubModel: LS
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1972-1974 GMC SPRINT

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET CAMARO

    • Liter: 4.4
    • SubModel: SPORT
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1977-1980 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CAPRICE

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1999 CHEVROLET C2500 PICKUP

    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1997-1999 CHEVROLET CARGO VAN

    • EngineType: ALL
    • SubModel: ALL

    1968-1969 CHEVROLET C20 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1980-1981 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: BASE

    1973 CHEVROLET MALIBU

    • CC: 5031
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977-1995 GMC G25/G2500 VAN

    • Liter: 5.0
    • SubModel: RALLY STX
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1998 CHEVROLET C1500 PICKUP

    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995-1999 CHEVROLET SUBURBAN 1500

    • EngineType: ALL
    • SubModel: ALL

    1981-1986 CHEVROLET BLAZER K5

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2000 CHEVROLET TAHOE

    • EngineType: ALL
    • SubModel: LIMITED

    1977-1979 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 GMC C35/C3500 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1975-1995 GMC G25/G2500 VAN

    • Liter: 5.7
    • SubModel: RALLY STX
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980 CHEVROLET MALIBU

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 PONTIAC FIREBIRD

    • Liter: 4.4
    • SubModel: FORMULA
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1977-1978 GMC C25/C2500 PICKUP

    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1986 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968 CHEVROLET C30 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971-1972 PONTIAC VENTURA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975-1976 CHEVROLET LAGUNA

    • Liter: 5.7
    • SubModel: S3
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1998 CHEVROLET C1500 PICKUP

    • Liter: 5.7
    • SubModel: WT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1972 CHEVROLET G10 VAN

    • Liter: 5.0
    • SubModel: SPORTVAN
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975-1976 GMC SPRINT

    • Liter: 5.7
    • SubModel: SP
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 CHEVROLET CHEVELLE

    • CC: 5358
    • Liter: 5.3
    • SubModel: NOMAD
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )
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