ACL Race K-Series Extra Clearance Rod Bearings (CT-1 Coated)

ACL
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ACL Acura/Honda K20A/K24A Std Size High Perf w/ Extra Oil Clearance Rod Bearing Set - CT-1 Coated
ACL Part# 4B1972HXC-STD

ACL coated bearings are coated with Calico’s CT-1 Dry Film Lubricant
coating. This coating helps reduce friction and abrasive wear. It
provides intermittent dry lubrication and is not affected by dust
or dirt. CT-1 is specifically engineered to withstand the extreme
conditions of today’s high performance engines. Professional
engine builders enjoy a higher level of confidence with increased
embedability, strength and durability.


ACL coated bearings are coated with Calico’s CT-1 Dry Film Lubricant
coating. This coating helps reduce friction and abrasive wear. It
provides intermittent dry lubrication and is not affected by dust
or dirt. CT-1 is specifically engineered to withstand the extreme
conditions of today’s high performance engines. Professional
engine builders enjoy a higher level of confidence with increased
embedability, strength and durability.


PROCESS
CT-1 Dry Film Lubricant coating is applied as a spray process. Different surface preparation methods
appropriate for the substrates will be used prior to the coating process. Coating thickness is varied to
suit the application. Typical coating thickness for engine bearings is 0.00025” to 0.00030” inch (6 to 7.5
microns).

ADVANTAGES
Provides intermittent dry lubrication, Not affected by dust or dirt, Low coefficient of friction, Increases
load carrying capacity, Thin coating to accommodate assembly constraints, Chemical resistance,
Corrosion protection, Reduced friction and drag resulting in decreased parasitic load
• Corrosion Protection
• Increased Lubricity
• Low Coefficient of Friction
• Oil and Fuel Resistant

PROCESS
CT-1 Dry Film Lubricant coating is applied as a spray process. Different surface preparation methods
appropriate for the substrates will be used prior to the coating process. Coating thickness is varied to
suit the application. Typical coating thickness for engine bearings is 0.00025” to 0.00030” inch (6 to 7.5
microns).

ADVANTAGES
Provides intermittent dry lubrication, Not affected by dust or dirt, Low coefficient of friction, Increases
load carrying capacity, Thin coating to accommodate assembly constraints, Chemical resistance,
Corrosion protection, Reduced friction and drag resulting in decreased parasitic load
• Corrosion Protection
• Increased Lubricity
• Low Coefficient of Friction
• Oil and Fuel Resistant

EMBEDED ABILITY
CT-1 coated bearings have excellent embeded abiliy characteristics, allowing debris contaminates to
embed in the bearing, avoiding damage to the crank.

INCREASED LOAD CARRYING CAPACITY
 Under normal conditions performance bearing overlays withstand 12,000psi. CT-1 coated bearings
increase this load capacity to 180,000psi.
EXTREME OIL TEMPERATURES
 CT-1 coated bearings have shown a reduction in oil temperatures as much as 15˚F - 20˚F.
Lower oil temperatures also aid in the loss of viscosity due to extreme heat.

LOW OIL PRESSURE/OIL STARVATION
Theoretically a crankshaft rides on a thin film of oil that protects both the crank and bearing.
Real world experience such as cold starts and rough terrain conditions have proven otherwise. CT-1
coated engine bearings provide a dry film lubricant that protects against intermediate
oil starvation.