GRC420 Heavy Weight Pure Silicone Diff Putty 20 million CST (Gravity RC LLC)

GRC420 Heavy Weight Pure Silicone Diff Putty 20 million CST

GRC420 is 100% Polydimethysiloxane fluid, and is recommended as an alternative to commonly used Putty in gear differentials or other moving applications. This New extra thick silicone putty is better than conventional putty do to silicone’s ultimate reforming properties.