Description
If you purchased your Bosch Style Aluminum Bypass Valve from JB Performance, it is rebuildable.
- Quantity 2 Flouro-rubber o-rings are included for sealing the piston to wall.
- Quantity 1 Flouro-rubber cap o-ring.
- Qunatity 1 Flouro-rubber discharge side o-ring.
Please clean all old lubrication out of the valve. Use a ViperLube or TransGel grease to lubricate the new orings before installing the piston. We do not recommend using any other oils or grease to lubricate the o-rings.

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