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ACL Main Bearing Set for Mazda 4 B6/BP/BP-T

ACL's Race Series Main Bearing Set is designed for high-performance engines, providing extra oil clearance for improved lubrication and reduced wear.

  • Standard size bearings for precise fitment
  • High-performance materials for increased durability
  • Extra oil clearance for improved engine lubrication

Ideal for Mazda 4 B6/BP/BP-T engines, this main bearing set is a must-have for any serious engine build or upgrade.

Tunnel [mm]53.998/54.018
Shaft [mm]49.938/49.956
Max. Wall2
Max. Length17.63
Half typeLower
Note0.001"" extra oil clearance on STD journal.

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Kia Rio 2001 Base
Kia Rio 2002 Base
Kia Rio 2002 Cinco
Kia Rio 2003 Base
Kia Rio 2003 Cinco
Kia Rio 2004 Base
Kia Rio 2004 Cinco
Kia Rio 2005 Base
Kia Rio 2005 Cinco
Kia Sephia 1994 GS
Kia Sephia 1994 LS
Kia Sephia 1994 RS
Kia Sephia 1995 GS
Kia Sephia 1995 LS
Kia Sephia 1995 RS
Kia Sephia 1996 GS
Kia Sephia 1996 LS
Kia Sephia 1996 RS
Kia Sephia 1997 GS
Kia Sephia 1997 LS
Kia Sephia 1997 RS
Mazda 323 1986 Base
Mazda 323 1986 DX
Mazda 323 1986 LX
Mazda 323 1987 Base
Mazda 323 1987 DX
Mazda 323 1987 LX
Mazda 323 1988 Base
Mazda 323 1988 DX
Mazda 323 1988 GT
Mazda 323 1988 GTX
Mazda 323 1988 LX
Mazda 323 1988 SE
Mazda 323 1989 Base
Mazda 323 1989 GTX
Mazda 323 1989 LX
Mazda 323 1989 SE
Mazda 323 1990 Base
Mazda 323 1990 SE
Mazda 323 1991 Base
Mazda 323 1991 SE
Mazda 323 1992 Base
Mazda 323 1992 SE
Mazda 323 1993 Base
Mazda 323 1993 SE
Mazda 323 1994 Base
Mazda Miata 1990 Base
Mazda Miata 1991 Base
Mazda Miata 1991 SE
Mazda Miata 1992 Base
Mazda Miata 1993 Base
Mazda Miata 1993 LE
Mazda Miata 1994 Base
Mazda Miata 1994 M Edition
Mazda Miata 1995 Base
Mazda Miata 1995 M Edition
Mazda Miata 1996 Base
Mazda Miata 1996 M Edition
Mazda Miata 1997 Base
Mazda Miata 1997 M Edition
Mazda Miata 1997 STO
Mazda Miata 1999 10th Anniversary
Mazda Miata 1999 Base
Mazda Miata 2000 Base
Mazda Miata 2000 LS
Mazda Miata 2000 SE
Mazda Miata 2001 Base
Mazda Miata 2001 LS
Mazda Miata 2001 SE
Mazda Miata 2002 Base
Mazda Miata 2002 LS
Mazda Miata 2002 SE
Mazda Miata 2003 Base
Mazda Miata 2003 LS
Mazda Miata 2003 SE
Mazda Miata 2003 Shinsen
Mazda Miata 2004 Base
Mazda Miata 2004 LS
Mazda Miata 2004 Mazdaspeed
Mazda Miata 2005 Base
Mazda Miata 2005 LS
Mazda Miata 2005 Mazdaspeed
Mazda MX-3 1992 Base
Mazda MX-3 1993 Base
Mazda MX-3 1994 Base
Mazda MX-3 1995 Base
Mazda Protege 1990 LX
Mazda Protege 1991 LX
Mazda Protege 1992 LX
Mazda Protege 1993 LX
Mazda Protege 1994 LX
Mazda Protege 1995 DX
Mazda Protege 1995 ES
Mazda Protege 1995 LX
Mazda Protege 1996 DX
Mazda Protege 1996 ES
Mazda Protege 1996 LX
Mazda Protege 1997 DX
Mazda Protege 1997 ES
Mazda Protege 1997 LX
Automotive Components Limited (ACL) manufactures some of the best engine bearings you can get. They also manufacture gasket sets, pistons, and ring kits. ACL’s Race Series Products provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy, and engineering come together to deliver what drivers expect from high performance parts.
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