ACL Race-Series Main-Rod Engine Bearings – Honda K20A2 – 5M1959HX

RM1,560.00

SKU: K20A2-ACL Categories: , , Tag:

Description

ACL Race-Series +0.001 More Oil Clearance Main And Rod Engine Bearings For :

Honda K20A2 VTEC 16v EFI
Conrod Bearing Set – 4B1972HX
Main Bearing Set – 5M1959HX
Thrustwasher Set – 1T1957

 

 

The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.FeaturesDesigned to withstand higher RPM conditions.
High strength overlay plate with reduced thickness for improved fatigue properties.
Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
Increased crush for improved bearing retention.
Elimination of flash plating on the back of the bearings to improve heat transfer through the bearing sand to maximize the grip between the bearings and its housing.
Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.
Tight consistent wall tolerances to help you maintain consistent clearances.
Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.What is the maximum power rating of ACL Race Series bearings?
The power rating of the engine can be tweaked in many ways that have correspondingly different effects on the load and stress borne by the bearings. All the methods below affect bearing loading:Increasing red line engine speed
Increasing turbo boost / cylinder pressure
Changed timing & cam profiles
Using low viscosity oils and/or high engine temperatures
Changing crankshaft / connecting rod / piston design
Modifying cylinder dimensions (boring out, stroking, decking cylinder head)As a result it is only realistic to reduce the question to ‘maximum specific bearing load’. This is the maximum load experienced by the bearing spread over its projected area. For this the engine builder will need to know peak cylinder pressures and balance these forces with the inertial load (acceleration of piston and conrod masses). Generally speaking ACL Race bearing materials and design allow a great deal of flexibility for upgrading engine performance having an excellent balance of strength and forgiveness. The trade-off is: high load = shorter life. ACL Race bearings work well in street machines, that are rarely used at max power but are expected to have a normal engine life, as well as in ‘Top Fuel’ Dragster engines where bearing loads are several hundred MPa but life is measured in seconds!Do you want lowered friction and more galling protection from your bearings? Then our advanced dry film lubricant ceramic coating is what you need. This coating will not need any changes to clearances as it bonds at 20 millionths of an inch or can be buffed to a “0” tolerance while still retaining it’s properties. This coating will greatly reduce power robbing friction and actively retain oil films even after sitting for months or being oil starved in high-g racing to minimize the chances of a galled bearing. A must have for anyone looking for safety and longevity in their bottom end.

 

High strength overlay plate with reduced thickness for improved fatigue properties
Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
Increased crush for improved bearing retention
Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.

 

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Refund and Return Policy

All Returns must first be approved by http://wctsmultiservizi.comContact our office for return confirmations.

  • Returned items must be in original packaging in brand new condition.
  • Products that have been used, mounted or installed will NOT be accepted for return.

Return shipping is the responsibility of the sender, and credit will not be given until all returned items are received. Accepted returns will be credited the full purchase price less shipping and handling fees from the original transaction and a 20% restocking fee.

Returned Items will only be accepted for the following:

  • Fitment Issues: If for any reason your purchase does not fit or work on your vehicle we will accept returns if you provided vehicle information with your order. This is the only way that our experts can insure proper fitment for your vehicle. All other fitment issues are the responsibility of the purchaser. We will replace the item in question with an additional shipping and handling fee including the cost of shipping the original item back to us.
  • Wrong Item Received: If for any reason you have received an Item different from what you ordered wctsmultiservizi.com will ship you the correct item at no additional cost to you, and will make all arrangements to ship the incorrect items back to us.
  • Damaged Items: If you receive an Item that is damaged wctsmultiservizi.com will replace the item at no additional cost to you, and will make all arrangements to ship the damaged items back to us.

 

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