PROFORM 66557 Brass Freeze Plug Kit for Chrysler 318/360 Small Block Mopar Engines

Restore reliable cooling system protection with the PROFORM 66557 Brass Freeze Plug Kit for Chrysler 318 and 360 small block Mopar engines. This complete engine kit includes freeze plugs designed to replace worn, corroded, or damaged original plugs and help seal the engine block against coolant loss. Brass construction provides dependable corrosion resistance and long-term service in demanding automotive environments.
Designed for applications requiring a complete set of engine freeze plugs, the PROFORM 66557 kit supports a practical repair or rebuild solution for compatible Chrysler small block engines. The plugs are suitable for use during engine assembly, cooling system service, or restoration work where replacing the original steel plugs with durable brass components is preferred. Always verify engine application and plug requirements before installation.
Each component is manufactured for a proper fit and secure installation when used with the appropriate tools and installation procedures. A clean, correctly prepared bore and proper seating are essential for achieving a reliable seal. The kit’s compact format makes it convenient for professional technicians, engine builders, and enthusiasts handling Mopar powertrain projects.
Feature: Complete engine freeze plug kit for compatible Chrysler 318 and 360 small block Mopar engines
Feature: Brass construction helps resist corrosion and coolant-related deterioration
Feature: Suitable for engine repair, rebuilding, restoration, and cooling system service
Feature: PROFORM part number 66557 for application identification
Feature: Not air restricted and not limited to truck freight shipping

Features:

• Complete engine freeze plug kit for compatible Chrysler 318 and 360 small block Mopar engines

• Brass construction helps resist corrosion and coolant-related deterioration

• Suitable for engine repair, rebuilding, restoration, and cooling system service

• PROFORM part number 66557 for application identification

• Not air restricted and not limited to truck freight shipping