Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, GM 12 Bolt H778003L It's a no holds barred

It's a no holds barred run as high as 9000 RPM where for over 1

Replace original X1 Series regulator internals with the conversion kit of your choice (Part #

vehicles may have other interfering components that may require modifications or moving of existing brackets

International Scout 1961-80

Titanium wrap is engineered to be stronger than most wraps and more durable for improved thermal performance and reliability

Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, GM 12 Bolt H778003L It's a no holds barredRICHMOND 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! GM 12 Bolt Installation Notes: When replacing a 2. 73 3. 90 ratio with a Richmond Hi Performance Ring & Pinion, the carrier must be replaced with a carrier from a stock 4. 10, 4. 56 or 4. 88 ratio. When installing 5. 14 to 6. 14 ring & pinion sets,