The BTR Phaser Lockout is a camshaft phaser limiter built for GM Gen V LT-Series engines. It locks the phaser at zero degrees, eliminating cam retard for a fixed camshaft timing setup. Installation requires the Comp Cams VVT phaser tool (purchased separately) to disassemble the camshaft sprocket and install the lockout.
- Part Number: BTR-VVT-GENV-LO
- Application: GM Gen V LT-Series engines
- Limiter Range: 0-degree lockout (locked)
- Install Tool Required: Comp Cams VVT phaser tool (purchased separately)
FAQ
What does the BTR-VVT-GENV-LO phaser lockout do?
It locks the camshaft phaser at zero degrees on GM Gen V LT-Series engines, eliminating cam retard.
What engines is this phaser lockout designed for?
It is designed for GM Gen V LT-Series engines.
Can the camshaft still advance or retard with this lockout installed?
No, the lockout fixes the phaser at zero degrees so the camshaft timing stays fixed rather than advancing or retarding.
Do I need a special tool to install this lockout?
Yes, the Comp Cams phaser tool, sold separately, is required to disassemble the camshaft sprocket and install the lockout.

