ProSlot PS-120BB The Boss .490 Double Ball Bearing Drag 1/24 Motor Mid America
The Boss .490 Drag Motor
Double Ball Bearing
The “BOSS 490” was designed for the bracket racer running a heavy weight, hard body car weighing 125g+. It was designed to use 10T pinions for better gear mesh and better short times and yet still use very little glue to launch. This motor has more torque and topend than the PS-101 and is perfect for heavy hard bodies. Tests in a 125g MM/PS with 10/60 gears and 1.060 x .500 tires yielded ET’s in the .880’s @ 65+ mph in the ¼ mile. This motor comes blueprinted, a special “BOSS” armature and copper hardware installed. .570 air gap.
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If you have any problems please contact us at
Mid America Raceway
109 1/2 West Monroe st
Bloomington , il 61701