Pfitzner Performance Gearboxes is the only manufacturer to offer a motorsport-proven high performance, 6-speed sequential system upgrade for TREMEC T56, TR-6060, Magnum and Magnum XL in-line and transaxle transmissions. 

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• World’s only 6-speed sequential system for TREMEC transmissions

• High HP and Torque capacity 

• Gear sets drop directly into OE casings

• Paddle shift upgrade option

• Ideal for cars used on track and street

• Unique PPG dog design

• Quieter operation and easy shifting