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ACL Race Main Bearings Chevrolet 400 Small Block (STD)



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4-6 days

€ 136.35
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Article no.: ACL-5M1038H-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: 5M1038H
Bearing size: STD
Bearing half type: Upper & lower
Bearing material: F780

Technical data (mm)

Max overall length: 20.44
Max shaft size: 67.292
Max tunnel size: 72.174
Max vertical oil clearance: 0.079
Max wall at crown: 2.421
Min shaft size: 67.269
Min tunnel size: 72.151
Min vertical oil clearance: 0.017

Technical data (in)

Max overall length: 0.804722807
Max shaft size: 2.649286064
Max tunnel size: 2.841490406
Max vertical oil clearance: 0.00311023
Max wall at crown: 0.095314771
Min shaft size: 2.648380554
Min tunnel size: 2.840584896
Min vertical oil clearance: 0.00066929

Engine code

400 Small Block


Chevrolet 400ci (6.6L) Small Block V8 OHV 2v

Guides & Info

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