Gearbox 1.90:1 for HPEVS & HyPer-9

Introducing the Torque Box 1.90:1 transmission, specifically designed to complement the performance of HPEVS and HyPer-9 electric motor systems. Designed to deliver maximum torque and power to the wheels, this transmission is the perfect upgrade for any electric vehicle enthusiast looking to take their performance to the next level. It is also a solution when using the original transmission in an electric vehicle conversion project is not an option.

Made from high-quality materials and built with precision, the Torque Box 1.90:1 transmission features advanced gear technology that delivers lightning-fast shifts and unmatched acceleration. With a 1.90:1 gear ratio, this transmission optimizes the torque output of HPEVS and HyPer-9 engines, ensuring maximum power transfer to the wheels.

• Gear ratio: 1.90:1
• Input shaft: 1.125" (28.58 mm)
• Output shaft: 1.5" (38.1 mm)
• Overall length: 16.25 inches (413 mm)
• Weight: 85 lbs (38.5 kg)
• Gearbox material: cast aluminum
• Gear material: high-strength alloy steel
• Synchronizer type: carbon fiber lined
• The switching mechanism: Aluminum billet
• Input bearing: tapered roller
• Output bearing: ball bearing
• Lubrication: Pressurized lubrication system