Cometic Chevrolet 400 Gen-1 Small Block V8 Viton Rear Main Seal - 2 Piece - Aluminum 400 Sprint

COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance, and durability. This rear main seal is for wet and dry sump applications.

• All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
• Durability