Callies Ultra I-Beam Connecting Rods for Nissan GT-R VR38DETT BBC Journal penske shock Trans brake function allows smooth

Trans brake function allows smooth and consistent control of start line staging (Bump or Creep)

Flow Rate: 470lph @ 40psi (120+ gph)

and a clean

Accurate control of boost over 24 psi

You can find more information on ECU calibration offerings in our Tuning and Electronics category

Callies Ultra I-Beam Connecting Rods for Nissan GT-R VR38DETT BBC Journal penske shock Trans brake function allows smoothUltra 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