Main Stud Kit to suit Toyota 2JZGE / 2JZGTE (AR203-5405) rb25 head drain This Improved ‘working ratio’ is

This Improved ‘working ratio’ is achieved through an increase to the effective surface area of the diaphragm & revisions to the actual springs fitted resulting in greater leverage of the forces the actuator is working against (boost and backpressure) while still being super-responsive

it's simply way too hard

strap-type V-band clamps

these gears are built to withstand the rigors of high-performance racing

8mm bolt spacing (Common T3/T4 style fitment) & include a -10 outlet

Main Stud Kit to suit Toyota 2JZGE / 2JZGTE (AR203-5405) rb25 head drain This Improved ‘working ratio’ isPart number: AR203 5405 ARP Main Stud Kit to suit Toyota 3. 0L 2JZGE 2JZGTE (1993 1998). Alternate part numbers: AR2035405 203 5405 2035405