Nitto I-Beam Connecting Rod Mitsubishi 4B11 143.75MM oil punp A higher radiator pressure effectively

A higher radiator pressure effectively raises the coolant boiling point

for 15-21 WRX

The COBB Top Mount Intercooler is perfect for applications where additional airflow and cooling is desired without the desire to increase lag

Rear breather relocation tube prevents oil from exiting the crankcase breather port during extreme acceleration

and shipped by the customer

Nitto I-Beam Connecting Rod Mitsubishi 4B11 143.75MM oil punp A higher radiator pressure effectivelyNitto I beam connecting rods are manufactured using the highest quality one piece 4340 forged billet steel round stock and have been designed specifically for extreme motorsport use. Its design lends itself to being slightly lighter and superior in strength than the traditional H beam connecting rod and far exceeds any OEM produced connecting rods for strength and durability. Using Nittos one piece round billet design ensures a uniform flow of the