Twin Counter Shaft Mid Mount Quick Change Gearbox

The SCS Twin Counter Shaft Mid Mount Gearbox is a lightweight top of the line unit. It features a twin countershaft design which divides the load and gives the gearbox incredible strength and reliability. A cast design magnesium case give this transmission increased toughness without  increased weight. The Twin Counter Shaft Mid Mount is designed symmetical so the gearbox can be rotated in the chassis from drive to overdrive. The Twin Counter Shaft is designed for any high horsepower application, including 8-71 Blown Twins, 14-71 Blown Two Wheel Drives & Mud Racers, Mud Racers with Screw Supercharger, Light Alcohol Super Stock, and all other high horsepower and torque applications. It has the following features:

• Mid Mount T/C/S can be Single Speed or Two Speed.
• Input & output Shafts are 1 3/4-27.
• Weighs 58 pounds.
• Compact, Overall length only 16 inches.
• Single Speed main case dimensions are 15 5/16″ x 8 5/8″ x 5 1/4.”
• Two Speed main case dimensions are 15 5/16″ x 8 5/8″ x 6 1/4.”
• Twin Counter Shaft design.
• 18 quick change rear ratios from 1.777:1 to 1:1.318 overdrive.
• 414 total gear ratios from 3.16:1 underdrive to 1:737 overdrive.
• Symmetrical design for switching from overdrive to underdrive in the chassis.
• Matching driveline components available.