Race Series Calico Coated Conrod Bearings to suit Holden / Nissan RB30 ( 6B2390HXC-STD ) dual head drain Engineered for ease of fitment

Engineered for ease of fitment with O-Ring seal

CFD optimized and validated in-house for maximum flow and thermal management

The ProPort was a result of over 25 years of Blow Off Valve manufacturing experience and 12 months of internal development

This unit allows the original arms to be screwed into place using a stainless steel adaptor provided to allow the use of the ultra-fine metric thread that would usually screw into the hardened steering shaft

worn or discoloured  cam gear bolts or to eliminate cam ignition timing home signal interference

Race Series Calico Coated Conrod Bearings to suit Holden / Nissan RB30 ( 6B2390HXC-STD ) dual head drain Engineered for ease of fitmentOur coated bearings combine ACLs tough RACE Series lining and overlay metallurgy with Calicos well renowned CT 1 coating. CT 1 is a Dry Film Lubricant coating that 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 todays high performance engines. Professional engine builders enjoy a higher level of confidence with