Thumbnail Filmstrip of Over Center Preventer Bracket Fuel Shut Off- Past Center 12AN Images
Over Center or Overcenter spell it however :)
Don't let your fuel shut-off vibrate closed or partially closed during a run!
Prevent engine damage with this over center bracket which fits Enderle and Hilborn #6 #8 or #12 (#10) fuel shut-off valves.
NOTE: Some of the old Enderle valve bodies were a casting. This bracket will NOT mount to those without machining the shut-off valve or the bracket.
The spring from the bracket hooks to the cable attachment point on the shut-off arm.
If you want to be able to use the shut-off partially closed to warm the motor in the pits - no problem!
Just unclip the cable, pull the spring off the ball (let it hang from the bracket) and put the cable back on. After the warm-up, just put the spring back on and you're ready for a pass - no tools required.
The stop pin on some valves may protrude slightly beyond the diameter that this bracket clamps to. Simply tap the roll pin in to clear this diameter and you're ready to install the bracket.
Size -12 fits clamping diameter range 1.430-1.455"
Size -8 fits clamping diameter range 1.290-1.301"
Size -6 fits diameter range 1.014-1.025"
6061 aluminum construction. Includes stainless steel spring and hardware. MADE IN USA!