STM Stainless Steel o2 Housing to Turbo Gasket for Evo 3 / DSM Competition Clutch It is the must have

It is the must have for any hardcore Subaru enthusiast or mechanic and will come with everything you need to do thousands of installs

Matching Washer (MF4501560)

HD is the "Heavy Duty" with more clamping force designed for drag racing and launches

the Prolific brand serial to USB converter is a good choice

STM Stainless Steel o2 Housing to Turbo Gasket for Evo 3 / DSM Competition Clutch It is the must haveThe STM o2 housing gasket for Evo 3 and 1G 2G DSM is cut from T304 stainless steel, with a 20 gauge thickness and made in the USA! This gasket goes between your turbo and o2 housing. Vehicle Fitment: Fits Evo III 16G Turbo Features: T304 Stainless Steel 20 Gauge Thickness USA Made Purchase Includes: (1) Gasket See more STM Products