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Contents : 1 x ACL Rod Bearing Set
( Item For Std Size. Please Advise If You Need Undersize Bearings - Std, .25 Available. )
Brand : ACL
Suit : Mitsubishi lancer,Mirage,Proton Satria,Persona Proton M21 4G91/4G92/4G93/4G93-T 1.5L/1.6L/1.8L Inline 4
The ACL RACE Series performance engine bearing range of today has a strong pedigree in motorsport & traces, its roots back to the 1960's with the manufacture of engine bearings for use in the world conquering Brabham Formula.
Further experience in the Australian Supercars Championship & numerous other race codes has culminated in the current ACL RACE Series technology platform. The unique combination of design, metallurgy, engineering & precision quality control come together to deliver what engine builders expect from performance engine bearings.
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ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and crush. This ensures reliable fit and helps maintain consistent clearances. |
1.Bearing Material Enhancements
A blend of characteristics to provide high strength and excellent seizure resistance.
No flash plating is applied to further improve bearing retention and maximise heat transfer. |
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2.Bearing Design Enhancements Crush increased for:
Improved bearing retention from higher radial contact pressure. Locks the bearing into the housing. More effective heat dissipation through improved thermal transfer.
Bearing Eccentricity
Definition: Gradual reduction in wall thickness between the crown and parting line. ACL Race Series performance engine bearings feature increased eccentricity to increase improve shape adaptation to compensate for bore distortion at high speed operation.
Assists in the formation of hydrodynamic oil film. |
Main Bearings with Extended Grooves
Full (180°) grooved uppers with matching partial groove in lowers.
Reduces interruption to big end oil supply. Tapered groove run-out.
Smooths big end supply cut-off avoiding pressure pulsing and cavitation.
Enlarged ID Chamfers
Accommodate larger fillet radii on performance crankshafts. |
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