Richmond Ring & Pinion Set - 5.38 Ratio, 43-8 Teeth, GM 12 Bolt HS310320 The Shift Light features a

The Shift Light features a bright cluster of LEDs making it easily visible

Detailed installation instructions included

Brushed / Black Face

Improved flow design to resist crackingSince 1949

Works with a M-55 or M-55A standard volume oil pump

Richmond Ring & Pinion Set - 5.38 Ratio, 43-8 Teeth, GM 12 Bolt HS310320 The Shift Light features aRICHMOND 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,