Richmond Ring & Pinion Set - 4.56 Ratio, 41.9 Teeth, GM 12 Bolt - 4 Series Wehrs Machine 688 in Oval Port

688 in Oval Port

each precision-built TCI® part is meticulously checked by their in-house QC experts

Durable Light-Weight Aluminum

weighing less than a standard high-pressure hose assembly

we use individual straps with quick release clips

Richmond Ring & Pinion Set - 4.56 Ratio, 41.9 Teeth, GM 12 Bolt - 4 Series Wehrs Machine 688 in Oval PortRICHMOND 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,