{"product_id":"acl-5m8353h-50-high-performance-main-bearing-set-for-mazda-b6-bp-bp-t-1-6l-and-1-8l","title":"ACL 5M8353H-.50 High Performance Main Bearing Set for Mazda B6\/BP\/BP-T 1.6L and 1.8L","description":"ACL Mazda B6\/BP\/BP-T 1.6\/1.8L .50mm Oversized High Performance Main Bearing Set\n\u003cp\u003eThe ACL 5M8353H-.50 high performance main bearing set is designed for Mazda B6, BP, and BP-T 1.6L and 1.8L engines requiring .50mm oversized main bearings. Manufactured for performance-oriented engine builds and precision rebuilds, this set supports reliable crankshaft operation and consistent bearing performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eACL main bearings are engineered with attention to material strength, load capacity, oil control, and dimensional accuracy. The .50mm oversized specification is intended for crankshafts that have been machined to accept corresponding oversized bearings. Proper crankshaft measurement and bearing clearance verification are essential before installation. Always compare the original application, engine specifications, and machining requirements to ensure correct fitment.\u003c\/p\u003e\u003cp\u003eThis automotive bearing set is suitable for select Mazda Protege and Kia Rio applications equipped with compatible B6 or BP-series engines. Fitment includes Mazda Protege model years from 1990 through 1996 and select 2001-2002 Kia Rio applications. Vehicle compatibility can vary by engine configuration and prior machine work, so confirm the engine code and required bearing size before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One ACL high performance main bearing set, part number 5M8353H-.50, for compatible Mazda B6\/BP\/BP-T engine applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh Performance Construction: Designed for demanding street, competition, and performance engine applications.\u003c\/li\u003e\n\u003cli\u003e.50mm Oversized Specification: Intended for crankshafts machined to accept .50mm oversized main bearings.\u003c\/li\u003e\n\u003cli\u003ePrecision Engineered: Supports accurate bearing fitment and consistent crankshaft operation when installed with verified clearances.\u003c\/li\u003e\n\u003cli\u003eApplication Specific Design: Fits select Mazda B6, BP, and BP-T 1.6L and 1.8L engines, including compatible Mazda Protege and Kia Rio models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1986 Mazda 323 Base\u003cbr\u003e\n1986 Mazda 323 DX\u003cbr\u003e\n1986 Mazda 323 LX\u003cbr\u003e\n1987 Mazda 323 Base\u003cbr\u003e\n1987 Mazda 323 DX\u003cbr\u003e\n1987 Mazda 323 LX\u003cbr\u003e\n1988 Mazda 323 Base\u003cbr\u003e\n1988 Mazda 323 DX\u003cbr\u003e\n1988 Mazda 323 GT\u003cbr\u003e\n1988 Mazda 323 GTX\u003cbr\u003e\n1988 Mazda 323 LX\u003cbr\u003e\n1988 Mazda 323 SE\u003cbr\u003e\n1989 Mazda 323 Base\u003cbr\u003e\n1989 Mazda 323 GTX\u003cbr\u003e\n1989 Mazda 323 LX\u003cbr\u003e\n1989 Mazda 323 SE\u003cbr\u003e\n1990 Mazda 323 Base\u003cbr\u003e\n1990 Mazda 323 SE\u003cbr\u003e\n1990 Mazda Miata Base\u003cbr\u003e\n1990 Mazda Protege 4WD\u003cbr\u003e\n1990 Mazda Protege LX\u003cbr\u003e\n1990 Mazda Protege SE\u003cbr\u003e\n1991 Mazda 323 Base\u003cbr\u003e\n1991 Mazda 323 SE\u003cbr\u003e\n1991 Mazda Miata Base\u003cbr\u003e\n1991 Mazda Miata SE\u003cbr\u003e\n1991 Mazda Protege 4WD\u003cbr\u003e\n1991 Mazda Protege DX\u003cbr\u003e\n1991 Mazda Protege LX\u003cbr\u003e\n1991 Mercury Capri Base\u003cbr\u003e\n1991 Mercury Capri XR2\u003cbr\u003e\n1992 Mazda 323 Base\u003cbr\u003e\n1992 Mazda 323 SE\u003cbr\u003e\n1992 Mazda Miata Base\u003cbr\u003e\n1992 Mazda MX-3 Base\u003cbr\u003e\n1992 Mazda Protege DX\u003cbr\u003e\n1992 Mazda Protege LX\u003cbr\u003e\n1992 Mercury Capri Base\u003cbr\u003e\n1992 Mercury Capri XR2\u003cbr\u003e\n1993 Mazda 323 Base\u003cbr\u003e\n1993 Mazda 323 SE\u003cbr\u003e\n1993 Mazda Miata Base\u003cbr\u003e\n1993 Mazda Miata LE\u003cbr\u003e\n1993 Mazda MX-3 Base\u003cbr\u003e\n1993 Mazda Protege DX\u003cbr\u003e\n1993 Mazda Protege LX\u003cbr\u003e\n1993 Mercury Capri Base\u003cbr\u003e\n1993 Mercury Capri XR2\u003cbr\u003e\n1994 Kia Sephia GS\u003cbr\u003e\n1994 Kia Sephia LS\u003cbr\u003e\n1994 Kia Sephia RS\u003cbr\u003e\n1994 Mazda 323 Base\u003cbr\u003e\n1994 Mazda Miata Base\u003cbr\u003e\n1994 Mazda Miata M Edition\u003cbr\u003e\n1994 Mazda MX-3 Base\u003cbr\u003e\n1994 Mazda Protege Base\u003cbr\u003e\n1994 Mazda Protege DX\u003cbr\u003e\n1994 Mazda Protege LX\u003cbr\u003e\n1994 Mercury Capri Base\u003cbr\u003e\n1994 Mercury Capri XR2\u003cbr\u003e\n1995 Kia Sephia GS\u003cbr\u003e\n1995 Kia Sephia LS\u003cbr\u003e\n1995 Kia Sephia RS\u003cbr\u003e\n1995 Mazda Miata Base\u003cbr\u003e\n1995 Mazda Miata M Edition\u003cbr\u003e\n1995 Mazda MX-3 Base\u003cbr\u003e\n1995 Mazda Protege DX\u003cbr\u003e\n1995 Mazda Protege ES\u003cbr\u003e\n1995 Mazda Protege LX\u003cbr\u003e\n1996 Kia Sephia GS\u003cbr\u003e\n1996 Kia Sephia LS\u003cbr\u003e\n1996 Kia Sephia RS\u003cbr\u003e\n1996 Mazda Miata Base\u003cbr\u003e\n1996 Mazda Miata M Edition\u003cbr\u003e\n1996 Mazda Protege DX\u003cbr\u003e\n1996 Mazda Protege ES\u003cbr\u003e\n1996 Mazda Protege LX\u003cbr\u003e\n1997 Kia Sephia GS\u003cbr\u003e\n1997 Kia Sephia LS\u003cbr\u003e\n1997 Kia Sephia RS\u003cbr\u003e\n1997 Mazda Miata Base\u003cbr\u003e\n1997 Mazda Miata M Edition\u003cbr\u003e\n1997 Mazda Miata STO\u003cbr\u003e\n1997 Mazda Protege DX\u003cbr\u003e\n1997 Mazda Protege ES\u003cbr\u003e\n1997 Mazda Protege LX\u003cbr\u003e\n1998 Mazda Protege DX\u003cbr\u003e\n1998 Mazda Protege ES\u003cbr\u003e\n1998 Mazda Protege LX\u003cbr\u003e\n1999 Mazda Miata 10th Anniversary\u003cbr\u003e\n1999 Mazda Miata Base\u003cbr\u003e\n1999 Mazda Protege DX\u003cbr\u003e\n1999 Mazda Protege ES\u003cbr\u003e\n1999 Mazda Protege LX\u003cbr\u003e\n2000 Mazda Miata Base\u003cbr\u003e\n2000 Mazda Miata LS\u003cbr\u003e\n2000 Mazda Miata SE\u003cbr\u003e\n2000 Mazda Protege DX\u003cbr\u003e\n2000 Mazda Protege ES\u003cbr\u003e\n2000 Mazda Protege LX\u003cbr\u003e\n2001 Kia Rio Base\u003cbr\u003e\n2001 Mazda Miata Base\u003cbr\u003e\n2001 Mazda Miata LS\u003cbr\u003e\n2001 Mazda Miata SE\u003cbr\u003e\n2001 Mazda Protege DX\u003cbr\u003e\n2001 Mazda Protege LX\u003cbr\u003e\n2002 Kia Rio Base\u003cbr\u003e\n2002 Kia Rio Cinco\u003cbr\u003e\n2002 Mazda Miata Base\u003cbr\u003e\n2002 Mazda Miata LS\u003cbr\u003e\n2002 Mazda Miata SE\u003cbr\u003e\n2003 Kia Rio Base\u003cbr\u003e\n2003 Kia Rio Cinco\u003cbr\u003e\n2003 Mazda Miata Base\u003cbr\u003e\n2003 Mazda Miata LS\u003cbr\u003e\n2003 Mazda Miata SE\u003cbr\u003e\n2003 Mazda Miata Shinsen\u003cbr\u003e\n2004 Kia Rio Base\u003cbr\u003e\n2004 Kia Rio Cinco\u003cbr\u003e\n2004 Mazda Miata Base\u003cbr\u003e\n2004 Mazda Miata LS\u003cbr\u003e\n2004 Mazda Miata Mazdaspeed\u003cbr\u003e\n2005 Kia Rio Base\u003cbr\u003e\n2005 Kia Rio Cinco\u003cbr\u003e\n2005 Mazda Miata Base\u003cbr\u003e\n2005 Mazda Miata LS\u003cbr\u003e\n2005 Mazda Miata Mazdaspeed\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable 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