Richmond Ring & Pinion Set - 3.08 Ratio, 40-13 Teeth, GM 12 Bolt Mechanix Wear Billet aluminum adapter allows installation

Billet aluminum adapter allows installation of a two-piece style crankshaft seal and early (pre-1986) crankshaft into a 1986 and newer SB Chevy (pre-LS) engine

1 in Wide Spring Steel

Large fill plugs have a 3" opening

5/8" on centers

000 in Length

Richmond Ring & Pinion Set - 3.08 Ratio, 40-13 Teeth, GM 12 Bolt Mechanix Wear Billet aluminum adapter allows installationRICHMOND 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,