ACL 4B2475H-STD Race Rod Bearings for 1985-1995 Porsche 944/968 M44/M28 2.5L-3.0

Vehicle Fitment

• 1985-1991 Porsche 944 (M44, 2.5L Inline-4 SOHC/DOHC)
• 1992-1995 Porsche 968 (M44, 3.0L Inline-4 DOHC)
• 1985-1991 Porsche 928 (M28, 4.7L V8 DOHC)
• 1992-1995 Porsche 928 (M28, 5.0L V8 DOHC)

Features

• Tri-metal construction for enhanced strength and durability
• Standard size (STD) for OEM replacement
• Designed for high-performance applications and high RPM conditions
• Identical half design for consistent oil clearance
• F781 bearing material for improved heat resistance
• Precision-engineered to meet OEM specifications
• Suitable for both naturally aspirated and forced induction setups
• Eliminates flash plating to improve bearing retention and maximize heat transfer

Specifications

• Size: Standard (STD)
• Material: F781 tri-metal construction
• Bearing half type: Identical halves
• Max shaft size: 51.99 mm
• Min shaft size: 51.97 mm
• Max tunnel size: 55.019 mm
• Min tunnel size: 55.000 mm
• Max vertical oil clearance: 0.108 mm
• Min vertical oil clearance: 0.054 mm

Included Components

• 1x ACL 4B2475H-STD Rod Bearing Set (Set of 4 bearings)

Product Description

The ACL 4B2475H-STD Race Rod Bearing Set is engineered for high-performance applications in Porsche's M44 and M28 engine platforms, including the 944, 968, and 928 models. These bearings are designed to withstand higher RPM conditions, making them ideal for both street performance and motorsport use.

Constructed with a tri-metal design and F781 bearing material, the bearings feature enhanced strength and durability. The standard size (STD) ensures OEM replacement compatibility, while the identical half design provides consistent oil clearance. The elimination of flash plating enhances bearing retention and maximizes heat transfer, ensuring engine longevity under demanding conditions.

This set includes all necessary bearings to replace the connecting rod bearings in the specified Porsche models. Whether you're rebuilding an engine or upgrading for performance, the ACL 4B2475H-STD Race Rod Bearing Set offers the reliability and durability needed for high-performance applications.