ACL 7M1172HX-STD High-Performance Main Bearing Set for Nissan L20, L24 and L28 Engines

ACL Nissan L20/L24/L28 1998cc/2393cc/2753cc STD Size High Perf Main Bearing Set w/.001 Oil Clearance

The ACL 7M1172HX-STD High-Performance Main Bearing Set is designed for Nissan L20, L24 and L28 inline-six engines using standard-size main bearing journals. Engineered for performance-oriented rebuilds, this set features ACL’s HX high-performance bearing construction and an additional 0.001-inch oil clearance specification to support proper lubrication in demanding street and competition applications.

These main bearings are manufactured for accurate fitment, dependable load support and consistent crankshaft operation when used with properly prepared and measured engine components. The bearing set is suitable for Nissan engine rebuilds involving 1,998cc, 2,393cc and 2,753cc configurations. Always verify crankshaft journal condition, bearing housing dimensions and required oil clearance before installation. The ACL part number 7M1172HX-STD identifies this specific standard-size, high-performance configuration.

Key Product Specifications & Technical Data

• Brand: ACL
• Part Number: 7M1172HX-STD
• Bearing Type: High-performance main bearing set
• Engine Applications: Nissan L20, L24 and L28
• Engine Displacements: 1,998cc, 2,393cc and 2,753cc
• Bearing Size: Standard main bearing size
• Oil Clearance: Additional 0.001-inch clearance specification
• Application: Automotive engine rebuild and performance use

What's Included

• One ACL 7M1172HX-STD main bearing set

Fitment

Listed applications include the 1970–1973 Nissan 240Z, 1974–1975 Nissan 260Z and 1975 Nissan 280Z. Confirm the vehicle year, engine code, crankshaft journal measurements and required bearing clearance before ordering.

Features:

• High-performance main bearing set designed for Nissan L20, L24 and L28 engines
• Standard-size configuration for crankshafts with standard main bearing journals
• Additional 0.001-inch oil clearance specification supports performance engine requirements
• ACL bearing construction provides consistent fitment and dependable load support during engine operation

Fitments:
1970 Nissan 240Z Base
1971 Nissan 240Z Base
1972 Nissan 240Z Base
1973 Nissan 240Z Base
1974 Nissan 260Z 2+2
1974 Nissan 260Z Base
1975 Nissan 260Z 2+2
1975 Nissan 260Z Base
1975 Nissan 280Z 2+2
1975 Nissan 280Z Base
1976 Nissan 280Z 2+2
1976 Nissan 280Z Base
1977 Nissan 280Z 2+2
1977 Nissan 280Z Base
1977 Nissan 810 Base
1978 Nissan 280Z 2+2
1978 Nissan 280Z Base
1978 Nissan 810 Base
1979 Nissan 280ZX 2+2
1979 Nissan 280ZX Base
1979 Nissan 810 Base
1980 Nissan 280ZX 2+2 GL
1980 Nissan 280ZX Base
1980 Nissan 280ZX GL
1980 Nissan 810 Base
1981 Nissan 280ZX 2+2 GL
1981 Nissan 280ZX Base
1981 Nissan 280ZX GL
1981 Nissan 280ZX GL Turbo
1981 Nissan 810 DX
1981 Nissan Maxima SL
1982 Nissan 280ZX 2+2
1982 Nissan 280ZX 2+2 Turbo
1982 Nissan 280ZX Base
1982 Nissan 280ZX Turbo
1982 Nissan Maxima GL
1983 Nissan 280ZX 2+2
1983 Nissan 280ZX 2+2 Turbo
1983 Nissan 280ZX Base
1983 Nissan 280ZX Turbo
1983 Nissan Maxima GL
1984 Nissan Maxima GL

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1