Richmond Ring & Pinion Set - 3.90 Ratio, 39-10 Teeth, GM 12 Bolt Headset Microphones Draco offers a wide variety

Draco offers a wide variety of spring types and sizes

5"-12" deep

190 cc Intake

3/16 in Keyway

Moog Cross Shaft K6146

Richmond Ring & Pinion Set - 3.90 Ratio, 39-10 Teeth, GM 12 Bolt Headset Microphones Draco offers a wide varietyRICHMOND 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,