COBB LF Bypass Valve Rebuild Kit V2 Subaru, Mazda, Nissan, Mitsubishi

This LF BPV Rebuild Kit is a package of hardware and o-rings required to completely rebuild the current COBB LF Bypass Valve. New o-rings, assembly lube, hardware, and tools give you everything necessary to address concerns with a COBB LF BPV that may not seal as well as it used to. In August 2020, the LF Bypass Valve for the 2015-2020 WRX and 2014-2018 Subaru Forester XT was updated with a new internal spring. The Rebuild Kit will include both springs, please choose the option that is appropriate for your application.

Original Spring (Uncoated)
- Free length: 3.5"
- Rate: 7.4 lbf/in
- Bench cracking vacuum installed in LF BPV: -5.7 psi

New Spring (Yellow)
- Free length: 3.5"
- Rate: 7.4 lbf/in
- Bench cracking vacuum installed in LF BPV: -5.7 psi

Features:
- Replacement O-Rings
- New Hardware
- Assembly Lube
- 2x Internal Springs
- Hex Keys Included

Applications:
Subaru, Mazda, Nissan, Mitusbishi