Features & Benefits:

• Five forward speeds with 5th gear overdrive provides extended ratio coverage, lowering engine RPM's and improving fuel economy. (Available in .68 or .82 overdrive ratio)
• Tapered roller bearings on input, output and counter shafts increase torque capacity.
• Massive 83 mm center distance from mainshaft to countershaft allows for the largest most durable gear sizes. 
• Specially designed aluminum die cast housings provides optimum strength-to-weight ratio.
• Steel input shaft retainer enhances durability.
• TKO models are offered with upgraded steel on select gearing, delivering maximum torque capacity.
• Internal multi-rail shift linkage system provides robust, positive shifting.
• Fifth speed synchronizer located on countershaft reduces gear rattle and shift effort.
• Multiple shift lever locations available:
  • Rear - standard on all TR-3550 transmissions - ideal for Mustang applications
  • Mid-shift location - ideal for pick-up truck retrofits
  • Front-shift location - allows retrofits of custom-made cars and other Hot-Rod applications