Trail-Gear™ Mechanical to Electrical Speedometer Adapter - Yotamasters
Speedo-Cable 87-93 Mustang-manual trans - Modern Driveline
Electric to Mechanical Speedo Converter with 5/8" Screw-on Connector - Modern Driveline
GM Speedometer Cable Adapter for Tremec T-5, TKX, TKO, T-56 and Magnum 6-speeds. Machined billet design NO MORE LEAKS! - American Powertrain - TREMEC Conversion Specialists
Magnetic Speedometer Cable Kit (For Electronic Speedometers!), 16-9290-0 - Aircooled.Net VW Parts