Callies Ultra I-Beam Connecting Rods for Nissan GT-R VR38DETT BBC Journal KW For all braking systems where

For all braking systems where conventional or polyglycol brake fluids are recommended in high performance vehicle and competition applications

It is also used in Drifting with it's rear wheel drive setup

After not being satisfied with other braking systems in the industry

many R35 customers have broken the transaxle case at the rear differential location

* 100-1200°F operating temperatures

Callies Ultra I-Beam Connecting Rods for Nissan GT-R VR38DETT BBC Journal KW For all braking systems whereUltra connecting rods are made entirely in the U. S. A. Every Ultra connecting rod is produced from specially formulated TimkenSteel 4330V steel. This material is then precision forged in Michigan and fully machined in our Fostoria, Ohio facility. Many geometric nuances have been incorporated into the design of Ultra connecting rods. These design features enhance the Ultra against specific loads and stresses which are applied to connecting rods