NISMO Reinforced 6 Speed Transmission Assembly For Nissan 180SX/Silvia S13 S14 S15

Upgrade your Nissan 180SX or Silvia S13, S14, or S15 with the Nismo Reinforced 6 Speed Transmission Assembly from Terra Firma Automotive. This transmission, based on the S15 6-speed transmission, is engineered to deliver an unparalleled high-performance driving experience with an ideal gear ratio and enhanced gear strength. Designed with both drift and street driving in mind, this Nismo transmission offers the perfect balance of performance and reliability. The Nismo Reinforced 6 Speed Transmission Assembly features a refined gear ratio that enhances driving enjoyment. The first and second gears are brought closer to the third gear, and the sixth gear ratio is closer to the fifth gear. This adjustment provides a smoother transition between gears, improving both performance and drivability. Unlike many competition gears that focus solely on strength and ease of production, resulting in noisy and rough operation, Nismo has meticulously designed gear ratios that facilitate normal street