Hey Jetaholic, here is your info on the Zinc stabilizer. Check it out this stuff. I use it in all my boat motors and its a killer productEngine Break-In Oil Additive - TB Zinc Plus
- Protects camshaft lifters and valve train during break-in period of motor.
- Excellent for flat tappet camshafts during break-in or as an additive to any motor oil to prevent premature wear.
- Exclusive blend of extreme pressure additives.
- Add one bottle with every oil change to increase the zinc content of your motor oil.
- Designed for race applications requiring additional extreme pressure additives.
- Dyno testing shows a more efficient break-in when used resulting in less engine run time prior to race day.
- Not designed for passenger car use.
- #10063 - Case of 16oz. Bottles (12x1) - 13 lbs