ISR Performance oil restrictor 

Oil Restrictor for use with ISR ball bearing turbos oil. 

**NOT FOR USE WITH ISR JOURNAL BEARING TURBOS** (IS-RS3871 & IS-RST25/28)

Use For:

RSX3076 ( IS-RSX3076) 400-600HP Turbo

RSX3582 (IS-RSX3582) 500-750HP Turbo

Specifications: 

• .036" restrictor
• 7/16-24 thread
• -3an male