Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, GM 12 Bolt 91940039 1982-1987 Pontiac Firebird

1982-1987 Pontiac Firebird

5/16 Offset

Shiny Black Outer Layer with Black Nomex ® Cuffs

hand and wrist

Richmond Ring & Pinion Set - 3.55 Ratio, 39-11 Teeth, GM 12 Bolt 91940039 1982-1987 Pontiac FirebirdRICHMOND 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,