Motion Raceworks


Low Mount Passenger Billet LS Alternator Bracket 10-150


Motion Raceworks - 10-150

Racing Use Only, Not Legal for Road Use



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Low Mount Passenger Billet LS Alternator Bracket 


Designed to be the tightest fitting alternator only bracket on the market.  This bracket was designed to be used on electric water pump engines with alternator only accessories.  

We HATE accessory brackets that are not reliable and throw belts and ruin tensioners and idlers.  Which is why we designed this multi piece bracket to avoid all of the above.  You will not find a tighter fitting to the block alternator 

Designed to be used with GM LS Truck AD244 145amp alternator. for ease of wiring, serviceability, and standardization.  


  • Tightest Fitting to the Block on the market
  • Completely CNC Machined from US Made Material
  • Manual tension design eliminates failure points of tensioners and idlers
  • Engineered and Tested to Keep Belts on
  • Each balancer style spacing and hardware option in one kit (Corvette, F-Body, Truck)
  • Includes hardware
  • Black anodized 
  • 100% Made in the USA

Belt for Standard Pulley Size (Balancer and Alternator): Gates K060345

Belt for 10% Underdrive Balancer & Standard Alternator: Gates K060325

*Requires GM AD230 alternator to clear Flowtech Turbo LS Headers and you will be limited to how tight you can get the alternator to the block, it will have to be pretty much all the way out.*

Dimensions from crank centerline with minimum adjustment

Dimensions from crank centerline with maximum adjustment