Kumho have launched their new Extreme Performance Ecsta V730.
Looking at the thread pattern, which looks similar to the older V720, but grooves are more shallow.
Outer shoulder...
what should i get for 3k -4k
what drops in tht range
dont wish to continue with a piggyback
want to kick boost over 1.4bar and get rid of MAF
what do u all suggest
my mods
EVO 1 head
Vr4 Block
1.5mm metal gasket...