ACL Race ConConrod bearings Porsche M 28 / M44 (HX-STD)
ACL
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Write a reviewACL bearings are used for tuning and engine upgrades where you want better quality with higher bearing capacity than normal standard bearings.
Improvements of material, dynamic thickness, heat conduction, oil grooves and oil distribution are some of the points that make ACL one of the leading bearing manufacturers.
Bearing data
Part number: 4B2475HX
Bearing size: STD
Bearing half type: Identical halves
Bearing material: F781
Technical data (mm)
Max overall length: 24
Max shaft size: 51.99
Max tunnel size: 55.019
Max vertical oil clearance: 0.108
Max wall at crown: 1.497
Min shaft size: 51.971
Min tunnel size: 55
Min vertical oil clearance: 0.054
Technical data (in)
Max overall length: 0.9449
Max shaft size: 2.0468
Max tunnel size: 2.1661
Max vertical oil clearance: 0.0043
Max wall at crown: 0.0589
Min shaft size: 2.0461
Min tunnel size: 2.1654
Min vertical oil clearance: 0.0021
Engine code
M 28 4.5L / M 28 4.7L / M 28 5.0L / M 28 5.4L / M44 2.5L / M 44 2.7L / M 44 3.0L
Application
Porsche M 28 4474cc V8 DOHC 4v
Porsche M 28 4664cc V8 DOHC 4v
Porsche M 28 4957cc V8 DOHC 4v
Porsche M 28 5397cc V8 DOHC 4v
Porsche M 44 2479cc Inline4 SOHC/DOHC 2v/4v
Porsche M 44 2681cc Inline4 SOHC 2v
Porsche M 44 2990cc Inline4 SOHC/DOHC 2v/4v
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Guides & Info
| Bilmärke | Porsche |
| Engine code | M 28 4.5L |
| Engine code | M 28 4.7L |
| Engine code | M 28 5.0L |
| Engine code | M 28 5.4L |
| Engine code | M 44 2.7L |
| Engine code | M 44 3.0L |
| Engine code | M44 2.5L |
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