Richmond Ring & Pinion Set - 3.90 Ratio, 39-10 Teeth, GM 12 Bolt Headset Microphones These new products are the

These new products are the first of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brandmark

3/16 in Keyway

1975-1991 Chevrolet Corvette

Fits standard tire gauges up to 3

Richmond Ring & Pinion Set - 3.90 Ratio, 39-10 Teeth, GM 12 Bolt Headset Microphones These new products are theRICHMOND 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,