1962-1974 Corvette C1-C3 Tachometer and Speedometer Drive 90 Degree Adapter

1962-1974 C1-C3 Tachometer and Speedometer Drive 90 Degree Adapter

Protect Your Cables – 90° Adapter Prevents Breakage in 1962–1974 Corvettes

Sharp bends put stress on your tachometer and speedometer cables, leading to failure. This 90° adapter installs easily at the distributor to reduce cable tension, extend cable life, and deliver smoother, more accurate gauge readings.

Fits the Following Corvette Models

• 1962 Corvette (C1)

• 1963–1967 C2 Coupes and Convertibles

• 1968–1974 C3 Coupes and Convertibles

Material/Finish

• Precision-machined metal construction

• Brass fittings with black housing

• Equipped with grease fitting for extended service life

Dimensions

• Length: 2 1/8" (54 mm)

• Width: 2 1/8" (54 mm)

• Height: 1 1/4" (32 mm)

Features and Benefits

• Direct replacement 90° adapter for tachometer/speedometer cables

• Reduces stress and eliminates sharp bends in cable routing

• Equipped with grease fitting for long-term protection

• Typical 7/8-18 GM cable thread for correct fit

• Prevents gear and cable binding for smoother, more accurate readings

• Installation instructions included 

Because Details Matter

Something as simple as a cable bend can take your gauges out of commission. This adapter keeps your tachometer and speedometer functioning smoothly, protecting your Corvette’s cables and gears for years to come.

Also known under these part numbers: (For reference only)

• 25-121215-1
• 272110
• 686420014140
• E3653
• M-2782
• T1000
• X2521