Richmond Ring & Pinion Set - 3.89 Ratio, 35-9 Teeth, Ford 9" Centerforce Will fit 1965-1967 289 engines

Will fit 1965-1967 289 engines originally equipped with a cast iron water pump

GM A-Body 1965-75

manganese phosphate coated housings

Ford Racing Head Gasket M6051-A302

Richmond Ring & Pinion Set - 3.89 Ratio, 35-9 Teeth, Ford 9" Centerforce Will fit 1965-1967 289 enginesRICHMOND 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.