Pay in 4 interest-free payments of $77.12 Learn more
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
New lightweight A384 cast aluminum alloy housing
Enthusiasts can increase individual corner damping rates up to 125% more than the vehicles OEM design
2-1/2 in Slot
Slip fit connectors for easy assembly
Richmond Ring & Pinion Set - 3.90 Ratio, 39-10 Teeth, GM 12 Bolt 23003C New lightweight A384 cast aluminumRICHMOND 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,
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