ACL High Performance Rod Bearing Set .25mm Oversize — Fits 1971-1992 Mitsubishi 4G6x

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SKU: ACL4B1146H-.25
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACL

ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision .25mm Undersize Rod Bearings

When your 6-bolt Mitsubishi 4G63 or 4G64 crankshaft requires a significant grind, the ACL .25mm (0.010") undersized rod bearing set is the professional choice. These high-performance bearings are engineered to provide the exact clearance needed for a smooth-running, high-output engine. ACL is a leader in bearing technology, ensuring that your rod journals remain protected even under the most demanding racing conditions.

Key Advantages

  • Optimized Clearance: Specifically sized for .25mm undersized crankshafts to maintain ideal oil pressure.
  • Advanced Metallurgy: Multi-layer construction provides superior fatigue resistance and load-carrying capacity.
  • Precision Fitment: Designed for 6-bolt 4G63 engines, ensuring perfect alignment with connecting rods.
  • Heat Dissipation: Efficiently transfers heat away from the rod journal to prevent overheating.

Compatibility

  • Engine Series: 4G61, 4G61T, 4G62, 4G63, 4G64
  • Vehicle Fitment: Fits various 1971-1992 Mitsubishi, Dodge, Eagle, and Hyundai models.
  • Ideal For: Engine rebuilds, performance upgrades, and track-day preparation.

Don't settle for inferior components when rebuilding your engine. ACL bearings are the industry standard for those who demand reliability and performance. By ensuring your rod bearings are perfectly fitted to your crankshaft, you reduce the risk of spun bearings and catastrophic failure. Trust your engine build to the experts and get the parts you need from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1979 Dodge Challenger Base
1978-1979 Dodge Challenger Premium
1971-1980 Dodge Colt Base
1973-1974 Dodge Colt GT
1975-1977 Dodge Colt Carousel
1976-1977 Dodge Colt GT
1977-1983 Dodge Colt Custom
1982-1983 Dodge Colt Deluxe
1983 Dodge Colt Base
1984 Dodge Colt E
1984-1986 Dodge Colt DL
1985-1988 Dodge Colt Premier
1989-1990 Dodge Colt DL
1990-1991 Dodge Ram 50 LE
1990-1992 Dodge Ram 50 Base
1990-1992 Dodge Ram 50 SE
1989-1990 Eagle Summit LX
1990 Eagle Summit ES
1992 Eagle Summit Base
1992 Eagle Summit DL
1992 Eagle Summit LX
1989-1991 Hyundai Sonata Base
1989-1991 Hyundai Sonata GLS
1983-1984 Mitsubishi Cordia Base
1983-1984 Mitsubishi Cordia LS
1983-1988 Mitsubishi Cordia L
1984-1988 Mitsubishi Cordia Turbo
1990-1992 Mitsubishi Eclipse Base
1990-1992 Mitsubishi Eclipse GS
1995-1999 Mitsubishi Eclipse GST
1995-1999 Mitsubishi Eclipse GSX
1996-1999 Mitsubishi Eclipse Spyder GST
1992 Mitsubishi Expo Base
1992 Mitsubishi Expo SP
1985-1987 Mitsubishi Galant Base
2005-2006 Mitsubishi Lancer Evolution
2005-2006 Mitsubishi Lancer Evolution MR
2005-2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE
1984 Mitsubishi Mighty Max S
1984-1992 Mitsubishi Mighty Max Base
1990-1992 Mitsubishi Mighty Max 1 Ton
1985-1988 Mitsubishi Mirage Turbo
1983-1984 Mitsubishi Tredia LS
1983-1986 Mitsubishi Tredia Base
1983-1988 Mitsubishi Tredia L
1984-1988 Mitsubishi Tredia Turbo
1986-1988 Mitsubishi Tredia LS
1987-1990 Mitsubishi Van Base
1987-1990 Mitsubishi Van LS
1976-1980 Plymouth Arrow Base
1976-1980 Plymouth Arrow GS
1976-1980 Plymouth Arrow GT
1979-1982 Plymouth Champ Custom
1980-1981 Plymouth Champ Base
1983 Plymouth Colt Base
1983 Plymouth Colt Custom
1983 Plymouth Colt Deluxe
1984 Plymouth Colt E
1984-1986 Plymouth Colt DL

…and 7 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACL

ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision .25mm Undersize Rod Bearings

When your 6-bolt Mitsubishi 4G63 or 4G64 crankshaft requires a significant grind, the ACL .25mm (0.010") undersized rod bearing set is the professional choice. These high-performance bearings are engineered to provide the exact clearance needed for a smooth-running, high-output engine. ACL is a leader in bearing technology, ensuring that your rod journals remain protected even under the most demanding racing conditions.

Key Advantages

  • Optimized Clearance: Specifically sized for .25mm undersized crankshafts to maintain ideal oil pressure.
  • Advanced Metallurgy: Multi-layer construction provides superior fatigue resistance and load-carrying capacity.
  • Precision Fitment: Designed for 6-bolt 4G63 engines, ensuring perfect alignment with connecting rods.
  • Heat Dissipation: Efficiently transfers heat away from the rod journal to prevent overheating.

Compatibility

  • Engine Series: 4G61, 4G61T, 4G62, 4G63, 4G64
  • Vehicle Fitment: Fits various 1971-1992 Mitsubishi, Dodge, Eagle, and Hyundai models.
  • Ideal For: Engine rebuilds, performance upgrades, and track-day preparation.

Don't settle for inferior components when rebuilding your engine. ACL bearings are the industry standard for those who demand reliability and performance. By ensuring your rod bearings are perfectly fitted to your crankshaft, you reduce the risk of spun bearings and catastrophic failure. Trust your engine build to the experts and get the parts you need from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1979 Dodge Challenger Base
1978-1979 Dodge Challenger Premium
1971-1980 Dodge Colt Base
1973-1974 Dodge Colt GT
1975-1977 Dodge Colt Carousel
1976-1977 Dodge Colt GT
1977-1983 Dodge Colt Custom
1982-1983 Dodge Colt Deluxe
1983 Dodge Colt Base
1984 Dodge Colt E
1984-1986 Dodge Colt DL
1985-1988 Dodge Colt Premier
1989-1990 Dodge Colt DL
1990-1991 Dodge Ram 50 LE
1990-1992 Dodge Ram 50 Base
1990-1992 Dodge Ram 50 SE
1989-1990 Eagle Summit LX
1990 Eagle Summit ES
1992 Eagle Summit Base
1992 Eagle Summit DL
1992 Eagle Summit LX
1989-1991 Hyundai Sonata Base
1989-1991 Hyundai Sonata GLS
1983-1984 Mitsubishi Cordia Base
1983-1984 Mitsubishi Cordia LS
1983-1988 Mitsubishi Cordia L
1984-1988 Mitsubishi Cordia Turbo
1990-1992 Mitsubishi Eclipse Base
1990-1992 Mitsubishi Eclipse GS
1995-1999 Mitsubishi Eclipse GST
1995-1999 Mitsubishi Eclipse GSX
1996-1999 Mitsubishi Eclipse Spyder GST
1992 Mitsubishi Expo Base
1992 Mitsubishi Expo SP
1985-1987 Mitsubishi Galant Base
2005-2006 Mitsubishi Lancer Evolution
2005-2006 Mitsubishi Lancer Evolution MR
2005-2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE
1984 Mitsubishi Mighty Max S
1984-1992 Mitsubishi Mighty Max Base
1990-1992 Mitsubishi Mighty Max 1 Ton
1985-1988 Mitsubishi Mirage Turbo
1983-1984 Mitsubishi Tredia LS
1983-1986 Mitsubishi Tredia Base
1983-1988 Mitsubishi Tredia L
1984-1988 Mitsubishi Tredia Turbo
1986-1988 Mitsubishi Tredia LS
1987-1990 Mitsubishi Van Base
1987-1990 Mitsubishi Van LS
1976-1980 Plymouth Arrow Base
1976-1980 Plymouth Arrow GS
1976-1980 Plymouth Arrow GT
1979-1982 Plymouth Champ Custom
1980-1981 Plymouth Champ Base
1983 Plymouth Colt Base
1983 Plymouth Colt Custom
1983 Plymouth Colt Deluxe
1984 Plymouth Colt E
1984-1986 Plymouth Colt DL

…and 7 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About ACL

ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision .25mm Undersize Rod Bearings

When your 6-bolt Mitsubishi 4G63 or 4G64 crankshaft requires a significant grind, the ACL .25mm (0.010") undersized rod bearing set is the professional choice. These high-performance bearings are engineered to provide the exact clearance needed for a smooth-running, high-output engine. ACL is a leader in bearing technology, ensuring that your rod journals remain protected even under the most demanding racing conditions.

Key Advantages

  • Optimized Clearance: Specifically sized for .25mm undersized crankshafts to maintain ideal oil pressure.
  • Advanced Metallurgy: Multi-layer construction provides superior fatigue resistance and load-carrying capacity.
  • Precision Fitment: Designed for 6-bolt 4G63 engines, ensuring perfect alignment with connecting rods.
  • Heat Dissipation: Efficiently transfers heat away from the rod journal to prevent overheating.

Compatibility

  • Engine Series: 4G61, 4G61T, 4G62, 4G63, 4G64
  • Vehicle Fitment: Fits various 1971-1992 Mitsubishi, Dodge, Eagle, and Hyundai models.
  • Ideal For: Engine rebuilds, performance upgrades, and track-day preparation.

Don't settle for inferior components when rebuilding your engine. ACL bearings are the industry standard for those who demand reliability and performance. By ensuring your rod bearings are perfectly fitted to your crankshaft, you reduce the risk of spun bearings and catastrophic failure. Trust your engine build to the experts and get the parts you need from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1979 Dodge Challenger Base
1978-1979 Dodge Challenger Premium
1971-1980 Dodge Colt Base
1973-1974 Dodge Colt GT
1975-1977 Dodge Colt Carousel
1976-1977 Dodge Colt GT
1977-1983 Dodge Colt Custom
1982-1983 Dodge Colt Deluxe
1983 Dodge Colt Base
1984 Dodge Colt E
1984-1986 Dodge Colt DL
1985-1988 Dodge Colt Premier
1989-1990 Dodge Colt DL
1990-1991 Dodge Ram 50 LE
1990-1992 Dodge Ram 50 Base
1990-1992 Dodge Ram 50 SE
1989-1990 Eagle Summit LX
1990 Eagle Summit ES
1992 Eagle Summit Base
1992 Eagle Summit DL
1992 Eagle Summit LX
1989-1991 Hyundai Sonata Base
1989-1991 Hyundai Sonata GLS
1983-1984 Mitsubishi Cordia Base
1983-1984 Mitsubishi Cordia LS
1983-1988 Mitsubishi Cordia L
1984-1988 Mitsubishi Cordia Turbo
1990-1992 Mitsubishi Eclipse Base
1990-1992 Mitsubishi Eclipse GS
1995-1999 Mitsubishi Eclipse GST
1995-1999 Mitsubishi Eclipse GSX
1996-1999 Mitsubishi Eclipse Spyder GST
1992 Mitsubishi Expo Base
1992 Mitsubishi Expo SP
1985-1987 Mitsubishi Galant Base
2005-2006 Mitsubishi Lancer Evolution
2005-2006 Mitsubishi Lancer Evolution MR
2005-2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE
1984 Mitsubishi Mighty Max S
1984-1992 Mitsubishi Mighty Max Base
1990-1992 Mitsubishi Mighty Max 1 Ton
1985-1988 Mitsubishi Mirage Turbo
1983-1984 Mitsubishi Tredia LS
1983-1986 Mitsubishi Tredia Base
1983-1988 Mitsubishi Tredia L
1984-1988 Mitsubishi Tredia Turbo
1986-1988 Mitsubishi Tredia LS
1987-1990 Mitsubishi Van Base
1987-1990 Mitsubishi Van LS
1976-1980 Plymouth Arrow Base
1976-1980 Plymouth Arrow GS
1976-1980 Plymouth Arrow GT
1979-1982 Plymouth Champ Custom
1980-1981 Plymouth Champ Base
1983 Plymouth Colt Base
1983 Plymouth Colt Custom
1983 Plymouth Colt Deluxe
1984 Plymouth Colt E
1984-1986 Plymouth Colt DL

…and 7 additional fitments. Contact us to confirm yours.

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