From Exotek Racing:
For the stock laydown/layback Associated B6.3-B6.2 top shafts.
New super light alloy locked spur mount with titanium center bolt for our lightest spur locker yet. Excellent for 17.5 stock buggy and high powered street eliminators.
The mount and hardwares shown totals 5.1 grams.
Uses a wider range of available spur gear sizes by Exotek and Kimbrough.
Allows for easy switching between a locked spur or slipper as track conditions warrant.
Uses the stock top shaft for increased idler gear durability compared to narrowed top shafts.
Compatible Spur Gears:
KIM301 66 tooth
KIM150 69 tooth
KIM143 72 tooth
KIM161 73 tooth
KIM162 74 tooth
EXO1543 66 tooth
EXO1544 69 tooth
EXO1590 72 tooth
EXO1545 75 tooth
EXO1546 78 tooth