Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, Ford 9" 11000403 1 specifications and is commonly

1 specifications and is commonly used on supercharged

horn relay

Mercury: Cougar 67 - 73

Gold iridited finishSince 1938

Gauge Adapter Fitting 6AN Female to 6AN Male w/ 1/8" NPT

Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, Ford 9" 11000403 1 specifications and is commonlyRICHMOND is the leading manufacturer of professional quality, hi performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry! Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more.