This magnum box bolts behind your SCS gearbox to give it an additional low range which is GREAT for crawling. It also give the go-fast guys the option to gear their SCS with a high gear ratio or even an overdrive for a ton of possible gear ratios.
Add lower gearing to your SCS gearbox with a flip of a lever!
With the Magnums 2.72 gearing you can make your SCS gearbox more versitle.
This version is designed to marry up to a transmission.
Great for Monster trucks, Ultra 4 cars, rock bouncers, and much more.
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