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Clevite MAHLE CB663A20

Connecting Rod Bearing Chevy 1963-2015 V8 305/307/327/350/400, LS 4.8/5.3/5.7/6.0/6.2/7.0L with -.020" Undersize

Clevite MAHLE CB663A20

695-CB663A20

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Estimated ship date 11/27/17 if Ordered Today
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Clevite MAHLE CB663A20 Connecting Rod Bearing Chevy 1963-2015 V8 305/307/327/350/400, LS 4.8/5.3/5.7/6.0/6.2/7.0L with -.020" Undersize $2.99
Connecting Rod Bearing
  • Chevy
  • 1963-2015
  • V8 262/265/267/292/294/302/305/307/327/350/400ci
  • LS 4.8/5.3/5.7/6.0/6.2/7.0L (LS1/LS2/LS3/LS6/LS7)
  • L6 292ci
  • -.020" Undersize
  • A Series - Aluminum Material

  • Specifications:

    Manufacturer's Part Number:
    CB-663A-20

    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 and cam bearings are priced as sets; rod bearings are priced each unless noted.

  • Does Clevite MAHLE CB663A20 fit your vehicle?

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    1976 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1979-1986 GMC C1500 PICKUP

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

    1988-1996 CHEVROLET K2500 PICKUP

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

    1989-1991 CHEVROLET R2500 SUBURBAN

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

    1979-1986 GMC K1500 PICKUP

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

    1990-1996 CHEVROLET G30 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 CHEVROLET K10 PICKUP

    • Liter: 4.8
    • SubModel: SCOTTSDALE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1979 CHEVROLET C20 PICKUP

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

    1981 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1968 CHEVROLET BISCAYNE

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

    1987 CHEVROLET V20 PICKUP

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

    1980-1981 CHEVROLET C10 PICKUP

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

    1999-2001 GMC SIERRA 2500

    • EngineType: ALL
    • SubModel: SL

    1975 CHEVROLET BEL AIR

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

    1991 CHEVROLET K1500 PICKUP

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

    1982-1986 CHEVROLET K10 SUBURBAN

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

    1975 CHEVROLET CAMARO

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

    1976 CHEVROLET MONZA

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

    2011-2012 CHEVROLET COLORADO

    • CC: 5328
    • Liter: 5.3
    • SubModel: LT
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1994-2000 GMC C2500 PICKUP

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

    1975-1981 CHEVROLET C30 PICKUP

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

    1980-1981 CHEVROLET K30 PICKUP

    • Liter: 4.8
    • SubModel: CHEYENNE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1985-1986 CHEVROLET K20 PICKUP

    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1998 CHEVROLET C1500 PICKUP

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

    1978-1980 PONTIAC GRAND AM

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

    2009-2010 GMC SAVANA 2500

    • EngineType: ALL
    • SubModel: SLE

    1978-1987 GMC CABALLERO

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

    1969 CHEVROLET IMPALA

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

    1972 CHEVROLET BROOKWOOD

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1968 CHEVROLET K30 PICKUP

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

    1987 CHEVROLET V20 PICKUP

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

    1973 PONTIAC VENTURA

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

    1968-1969 CHEVROLET C10 SUBURBAN

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

    1987-1990 GMC JIMMY

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

    1976-1979 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET BROOKWOOD

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 CHEVROLET G30 VAN

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

    1975-1976 CHEVROLET MALIBU

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

    2007-2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1997-2000 GMC K2500 PICKUP

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

    1972 CHEVROLET G30 VAN

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

    1976 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1980 CHEVROLET C10 PICKUP

    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973 CHEVROLET EL CAMINO

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

    1978-1979 OLDSMOBILE CUTLASS

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

    1987 PONTIAC FIREBIRD

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

    1982 CHEVROLET G30 VAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: HI-CUBE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET G20 VAN

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

    2009-2010 HUMMER H3T

    • EngineType: ALL
    • SubModel: ALPHA

    1968-1969 CHEVROLET EL CAMINO

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

    1982 GMC K2500 PICKUP

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

    1994-2000 GMC C3500 PICKUP

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

    2003-2010 GMC SAVANA 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1967 CHEVROLET C10 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1969-1973 GMC C25/C2500 PICKUP

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

    1975-1980 CHEVROLET C10 PICKUP

    • CC: 5735
    • Liter: 5.7
    • SubModel: CUSTOM
    • 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 )

    1982-1986 CHEVROLET K20 SUBURBAN

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

    2008-2009 CHEVROLET SILVERADO 3500

    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1979-1980 GMC G35/G3500 VAN

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

    1968 GMC C35/C3500 PICKUP

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

    1979 CHEVROLET CAPRICE

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

    1980 PONTIAC GRAND PRIX

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

    1988-1992 CHEVROLET C2500 PICKUP

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

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CONCOURS ESTATE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1996-2002 CHEVROLET EXPRESS 2500

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

    1968 CHECKER MARATHON

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

    1968-1972 CHEVROLET CHEVELLE

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

    2006 GMC SIERRA 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: SL
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1994 GMC C1500 PICKUP

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

    1974 CHEVROLET MALIBU

    • CC: 6556
    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978 CHEVROLET K5 BLAZER

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

    1972-1974 CHEVROLET BEL AIR

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 CHEVROLET K10 PICKUP

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

    1994-1995 CHEVROLET G10 VAN

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

    1977-1980 PONTIAC FIREBIRD

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

    1980 CHEVROLET G20 VAN

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

    1989-1991 CHEVROLET R3500 PICKUP

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

    1988-1995 CHEVROLET C2500 PICKUP

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

    1987-1991 GMC R3500 PICKUP

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

    1970 CHEVROLET BLAZER

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978 GMC C35/C3500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • 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 )

    1987 CHEVROLET V10 PICKUP

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

    1975-1978 GMC C35/C3500 PICKUP

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

    1998 CHEVROLET K1500 PICKUP

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

    1969-1971 CHEVROLET C10 PICKUP

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

    1985-1987 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: IROC-Z

    1974 GMC G35/G3500 VAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: VANDURA
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973 CHEVROLET MALIBU

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

    1975 CHEVROLET NOVA

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

    2003-2006 CHEVROLET SSR

    • EngineType: ALL
    • SubModel: ALL

    1976 CHEVROLET G10 VAN

    • Liter: 6.6
    • SubModel: SPORTVAN
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1967-1968 GMC C35/C3500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1981-1986 CHEVROLET C10 PICKUP

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

    2003 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: WT
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1982-1983 BUICK REGAL

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

    1974 CHEVROLET C30 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1995 GMC K1500 PICKUP

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

    1990-1995 CHEVROLET G20 VAN

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