ACL 7M2428H-.25 High Performance Main Bearing Set for 1990-2002 Nissan Skyline

Vehicle Fitment

• 1990-2002 Nissan Skyline GT-R R32/R33/R34 (RB26DETT, 2.6L I6)

Features

• Designed for Nissan RB26DETT 2.6L I6 engine applications
• 0.25mm oversized bearings to accommodate crankshaft wear
• Trimetal construction with lead, tin, and copper for enhanced strength
• Optimized for high-performance and high-RPM conditions
• Large chamfers to accommodate larger crankshaft fillets
• 3/4 groove design to provide optimum oil supply to rods
• Precision-machined to micron tolerances for consistent clearances
• Includes 7 bearing halves (upper and lower) for complete main bearing replacement

Specifications

• Size: 0.25mm Oversized
• Material: Trimetal (Lead, Tin, Copper)
• Max shaft size: 54.975mm
• Min shaft size: 54.951mm
• Max tunnel size: 58.658mm
• Min tunnel size: 58.645mm
• Max vertical oil clearance: 0.069mm
• Min vertical oil clearance: 0.016mm
• Wall thickness at crown: 1.827mm
• Includes 7 bearing halves (upper and lower)

Included Components

• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half
• 1x Upper main bearing half
• 1x Lower main bearing half

Product Description

The ACL 7M2428H-.25 High Performance Main Bearing Set is engineered specifically for the Nissan RB26DETT 2.6L I6 engine applications found in the 1990-2002 Nissan Skyline GT-R R32/R33/R34 models. These bearings are 0.25mm oversized to accommodate crankshaft wear, ensuring optimal performance and longevity.

Constructed with ACL's Trimetal technology, these bearings feature a combination of lead, tin, and copper for superior strength and seizure resistance. They are designed to withstand high-RPM conditions, making them suitable for both street and track use.

Installation is straightforward, with each set including 7 bearing halves (upper and lower) for complete main bearing replacement. These bearings are a direct fit for the specified Nissan models, ensuring reliable performance and longevity.