MAIN BEARING SET, SKYLINE, RD28, RB20, RB25, RB30 (ACL RACE SERIES) 7M2394H-STD


MAIN BEARING SET, SKYLINE, RD28, RB20, RB25, RB30 (ACL RACE SERIES) 7M2394H-STD - NZ Air Filter

In stock
Limited Offer

Price:  NZD $236.28 NZD $184.59  NZD $175.36  (inclds GST)

Quantity in stock 3 item(s) available.

Generally Overnight Delivery with Courier Post




ACL Race Series Engine Main Bearings Standard Size (7M2394H-STD) – For Nissan RB20/RB25/RB30/RD28

Secure your bottom end under extreme loads with race-proven reliability. This premium ACL Race Series Standard (STD) size crankshaft main bearing set is engineered specifically for high-performance Nissan inline-6 engines, including the legendary RB20, RB25, and RB30 blocks. Ideal for high-horsepower street, circuit, and drift builds across New Zealand and Australia.


Heavy-Duty Crankshaft Protection for Your High-Performance Nissan Build

When you are pushing high levels of boost through a Nissan Skyline or VL Commodore engine, your crankshaft bearings face immense punishment. The ACL Race Series 7M2394H-STD main bearing set is engineered to handle the staggering cylinder pressures, heavy loads, and high RPMs of motorsport applications. Perfect for performance shops and DIY builders across New Zealand pushing their RB setups to the limit.

Why Choose ACL Race Series Bearings?

  • Trimetal Performance: Features a high-strength steel back layered with a copper-lead-tin intermediate liner and a lead-tin-copper overlay for maximum load capacity.
  • Increased Crush & Eccentricity: Improves bearing retention inside the housing and optimizes oil film formation at high crankshaft speeds.
  • Enlarged ID Chamfers: Accommodates larger fillet radii found on high-performance aftermarket crankshafts.
  • Standard (STD) Size: Intended for precision engine assemblies where the crankshaft main journals remain at factory tolerances.

???? Vehicle & Engine Compatibility

This kit fits a wide range of iconic Nissan 6-cylinder performance engines:

  • Engine Codes: RB20, RB20DE, RB20DET, RB25, RB25DE, RB25DET, RB30, RB30E, RB30ET, RD28
  • Nissan Skyline: R32, R33, R34 (GTE, GTS, GTS-t, GT-FOUR, 25GT-t)
  • Other Popular Chassis: Holden VL Commodore (RB30), Nissan Cefiro A31, Laurel C33/C34/C35, Stagea WGNC34, Patrol GQ/GU (RD28/RB30)

???? Specifications

  • Brand: ACL Performance (Race Series)
  • Part Number: 7M2394H-STD
  • Type: Crankshaft Main Bearings
  • Size: Standard (STD)
  • Quantity: Full set of main bearings for one 6-cylinder engine

Note: Always verify your journal dimensions using micrometres prior to final installation. This is a Standard size kit and is not suitable for crankshaft pins ground undersize.


Quick ANZ Shipping Note

  • For NZ & AU Customers: Fast overnight or economy courier dispatch across New Zealand (North & South Islands) and tracked delivery options across Australia. Fully tracked shipping direct to your garage or tuning shop.