Richmond Ring & Pinion Set - 4.88 Ratio, 39-8 Teeth, GM 12 Bolt MAC-XC-2.0 an industry leading mirror finish

an industry leading mirror finish

Pro-Heat Guard

more challenging CVT transmissions have been introduced into the marketplace

ID Spring Seats

Richmond Ring & Pinion Set - 4.88 Ratio, 39-8 Teeth, GM 12 Bolt MAC-XC-2.0 an industry leading mirror finishRICHMOND 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,