Also for your info, all C labled Rods are Labled C for Collari, this how you know which rod is for which engine, in which saying this, the Rod in the Standard Blue Head 35plus 21 will fit in the cordoba also, i believ thats a R7 from memory, but Yes, the C2 is the Latest Rod and a much stronger rod, To strong which i guess thats the Novarossi Quality for you.
Tornado Racing Fuel and Product
XRAY RX8,ZAC OS SPEED XZR
XRAY X12,Muchmoore Fleta
Hudy, HEI international