Prothane 7-1606-BL Differential Pinion Mount Grommet Ki

This Prothane Differential Pinion Mount Grommet Kit, part number 7-1606-BL, is designed specifically for the 1963-1982 Chevrolet Corvette. It replaces the factory rubber pinion mount grommets with high-quality polyurethane construction, offering significantly improved durability, resistance to oil, road contaminants and ozone exposure.
prothane.com
+2
JEGS
+2

By maintaining rigid control of the pinion angle under load this kit enhances drivetrain stability and minimizes unwanted movement of the differential housing—especially beneficial for high-power, classic restoration or performance builds.
ptuning.com
+1

Installation is direct-fit with no modifications required, making it ideal for restoration or upgrade installations on C2 and C3 Corvettes. The black finish version (-BL) adds a clean appearance and blends with chassis components, with lifetime warranty protection provided by Prothane.
prothane.com

Whether you're revitalizing a classic or tuning for performance, this polyurethane kit offers a cost-effective way to improve driveline feel, alignment integrity and long-term reliability.