Convert your electronic speedometer output to a reliable mechanical drive with this precision-engineered Cable Drive Speedometer Pinion Assembly. Specifically designed to fit the Nissan RB25DET “Big Box” FS5R30A 5-speed manual transmission, this assembly is ideal for retrofitting classic vehicles or restoring OEM functionality in modified builds.

Key Features:

• Direct Fitment – Compatible with RB25DET FS5R30A transmissions, including applications in R33 and R34 Skylines.
• Mechanical Conversion – Converts electronic speed sensor output to cable-driven speedometer functionality, perfect for classic Nissan models like the 240Z, 280Z & R32 Skyline
• OEM Quality – Manufactured to meet or exceed Nissan’s original specifications for durability and performance.
• Easy Installation – Designed for seamless integration with factory speedometer cables and gear housings.
• Drive Cog Options – suitable for many standard final drive ratios.
  • 17-tooth (Pre-installed)
  • 20-tooth (Will require assembly and minor work to swap)

Whether you’re restoring a vintage Nissan or adapting your RB25DET swap for mechanical speedometer use, this pinion assembly delivers dependable performance and factory-style fitment. A must-have for enthusiasts seeking accuracy and authenticity in their drivetrain setup.

Note: Depending on your vehicle’s final drive ratio, you may require a different tooth-count cog to ensure accurate speedometer readings. Please verify compatibility before installation.

Package Contents:

• Genuine Nissan 17T Speedometer Pinion Assembly (1)
• Genuine Nissan Speedometer Pinion Locking Plate for Nissan (1)
• Genuine Nissan SEMS Bolt (1)
• 20T Option Only
  • Genuine Nissan 20T Speedometer Pinion Drive Cog (1)
  • Genuine Nissan Speedometer Pinion Drive Cog Circlip (1)