14psi (-31) boost pressure waste gate actuator when fitted to the standard Cosworth bleed off system. To suit 2wd drive Sierra Cosworth turbocharger. This actuator is a genuine Garrett equivalent version of the original -31. Does not come with internal threaded adjuster rod.
Sierra Cosworth RS 3 door
Sierra Cosworth RS500
Sierra Sapphire RS Cosworth 1988>1990
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