ACL Race Main Bearings for Mitsubishi 4G63, 4G63 Turbo, 4G64

ACL Race Main Bearings for Mitsubishi 4G63, 4G63 Turbo, 4G64


Regular price $119.00
Tax included. Shipping calculated at checkout.

  • Product Description
  • Product Specification

Mitsubishi 4G63/4G64 7 Bolt EVO V-IX Standard Size High Performance Main Bearing Set.


ACL is an engine builders top choice for their quality and consistency. Buy with confidence; you will find ACL in many cars on road as they are an Original Equipment supplier. Many racers, especially import racers, swear by both their stock and performance series crankshaft rod and main bearings. ACL premium bearings will not only hold up better and longer than OEM, but the special coating process will also help prevent premature engine bearing failures and expensive engine damage.

ACL Race series performance bearings are for extreme endurance under harsh conditions. Plan on running high RPMs and big boost? Fatigue, stress wear, and failure are factors you won't have to worry about when you are running ACL's top of the line metallurgy.

ACL Duraglide series bearings are a tri-metal design that provide a combination of high strength and the ability to withstand harsh / demanding operating conditions above casual driving. This makes them ideal for performance engines and rebuilds.



H: Standard oil clearance
HX: +0.001 in extra oil clearance
HD: Standard Oil Clearance + Dowel hole in lower half
HXD: +0.001 in extra oil clearance + Dowel hole in lower half

  • Sizes                                    STD,.025, .25
  • Oil Clearance                       Standard
  • Half Type                              Upper & Lower
  • Material                                Tri-Metal
  • Min Std Shaft Size               2.2435" / 56.985mm
  • Max Std Shaft Size              2.2441" / 57.000mm
  • Min Std Tunnel Size             2.4016" / 61.000mm
  • Max Std Tunnel Size            2.4024" / 61.021mm
  • Max Wall at Crown.              0.0783" / 1.990mm
  • Max Overall Length              0.827" / 21.00mm