Upgrading the transmission in a Superformance kit car is essential for enhancing performance, reliability, and driving experience. Whether you’re building a classic Cobra replica or another high-performance vehicle, Superformance kit car transmission upgrades can optimize power delivery, improve shift quality, and handle increased horsepower. Choosing the right transmission upgrade ensures smoother acceleration, better fuel efficiency, and greater durability under high-stress driving conditions. Many enthusiasts opt for modern manual or automatic transmissions that provide improved gear ratio