ACL Race Main Bearings Chevrolet 265 / 283 / 302 / 327 (STD)

ACL 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: 
5M429H
Bearing size: 
STD
Bearing half type: 
Upper & lower
Bearing material: 
F780
Technical data (mm)
Max overall length: 
20.49
Max shaft size: 
 58.402
Max tunnel size: 
63.287
Max vertical oil clearance: 
0.08
Max wall at crown: 
2.423
Min shaft size: 
58.377
Min tunnel size: 
63.261
Min vertical oil clearance: 
0.013
Technical data (in)
Max overall length: 
0.806691307
Max shaft size: 
2.299286761
Max tunnel size: 
2.491609213
Max vertical oil clearance: 
0.0031496
Max wall at crown: 
0.095393511
Min shaft size: 
2.298302511
Min tunnel size: 
2.490585593
Min vertical oil clearance: 
0.00051181
Engine code
265 / 283 / 302 Small Pin / 327ci Small Pin
Application
Chevrolet 265ci (4.3L) V8 OHV 2v
Chevrolet 283ci (4.6L) V8 OHV 2v
Chevrolet 302ci (5.0L) Small Pin V8 OHV 2v
Chevrolet 327ci (5.4L) Small Pin V8 OHV 2v
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