203-4703 ARP Head Stud Kit ARP2000 Toyota Matrix Base Sport XR 03-08 Celica GT MR2 Spyder 00-05 1.8L 1ZZ-FE Cam Gear Bolt Fully profiled counterweights are designed

Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential

This increase in airflow can lead to higher horsepower and torque

375" Valve Lift (mm) 09

The C125 also features ten full color LEDs integrated into the unit for use as shift lights

but the springs will need to be adjusted depending on what testing results we get

203-4703 ARP Head Stud Kit ARP2000 Toyota Matrix Base Sport XR 03-08 Celica GT MR2 Spyder 00-05 1.8L 1ZZ-FE Cam Gear Bolt Fully profiled counterweights are designed203 4703 ARP Head Stud Kit ARP2000 Toyota Matrix Base Sport XR 03 08 Celica GT MR2 Spyder 00 05 1. 8L 1ZZ FE