ACL 6B2455H-.025 High Performance Rod Bearing Set for Porsche 911/930 Flat-Six Engines

ACL Porsche 911/930 71-77 Flat 6 .025mm Oversized High Performance Rod Bearing Set

The ACL 6B2455H-.025 High Performance Rod Bearing Set is engineered for select Porsche 911 and 930 flat-six engines requiring rod bearings with a 0.025 mm oversized specification. Designed for performance-oriented rebuilds and precision engine assembly, this bearing set supports dependable crankshaft-to-connecting-rod operation under demanding conditions. ACL combines application-focused bearing design with durable materials and advanced manufacturing to help promote consistent oil control and long service life.

These high-performance rod bearings are suited to professional engine builders, restoration projects, and enthusiasts seeking reliable replacement components for compatible Porsche engines. The set is intended for applications where crankshaft journals have been machined or otherwise require the specified oversized bearing clearance. Always verify crankshaft measurements, bearing clearances, and engine specifications before installation.

Fitment includes select 1972, 1973, 1976, 1977, 1978, and 1979 Porsche 911 applications, along with compatible Porsche 930 models where applicable. Because engine configurations and replacement requirements can vary by vehicle, confirm the exact engine code, crankshaft condition, and bearing specifications before ordering. The ACL part number 6B2455H-.025 should be used as a reference when matching this component to the intended application.

What's Included

One ACL high-performance rod bearing set for the specified Porsche flat-six application.

Key Product Specifications and Technical Data

• Brand: ACL
• Part Number: 6B2455H-.025
• Component Type: High-performance connecting rod bearing set
• Application: Porsche 911 and 930 flat-six engines
• Bearing Size: 0.025 mm oversized
• Engine Configuration: Air-cooled flat-six applications
• Installation Use: Engine rebuild and replacement service
• Quantity: One bearing set

Features:

• Oversized Bearing Specification: Designed with a 0.025 mm oversized specification for compatible machined crankshaft journals.
• High-Performance Construction: Built for demanding engine rebuilds and performance-focused Porsche applications.
• Application-Specific Design: Developed for select Porsche 911 and 930 flat-six engine configurations.
• Precision Engine Compatibility: Supports accurate bearing clearance setup when matched to verified crankshaft and engine measurements.

Fitments:
1972 Porsche 911 E
1972 Porsche 911 S
1972 Porsche 911 T
1973 Porsche 911 E
1973 Porsche 911 S
1973 Porsche 911 T
1976 Porsche 911 Turbo Carrera
1977 Porsche 911 Turbo Carrera
1978 Porsche 911 SC
1979 Porsche 911 SC

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: false
Units Per Sku: 1