Proform Freeze Plug Kit for Small Block Chevy | 66550

Proform 66551 freeze plug kit. Features complete engine set, brass construction, natural finish, fits Small Block Chevy 400, prevents coolant leaks, sold as a kit.

Proform 66552 freeze plug kit. Features complete engine set, brass construction, natural finish, fits Big Block Chevy, prevents coolant leaks, sold as a kit.

Proform 66553 freeze plug kit. Features complete engine set, steel/brass construction, fits Small Block Ford, prevents coolant leaks, sold as a kit.

Proform 66557 freeze plug kit. Features complete engine set, steel/brass construction, fits Small Block Mopar, prevents coolant leaks, sold as a kit.

Proform 66556 freeze plug kit. Features complete engine set, steel/brass construction, fits Big Block Ford, prevents coolant leaks, sold as a kit.