Expansion Plugs

Pioneer PE-109-B freeze plug. Features complete engine set, brass construction, natural finish, fits Ford Cleveland/Modified, prevents coolant leaks, sold as a kit.

Pioneer PE-125-B freeze plug. Features complete engine set, brass construction, natural finish, fits Big Block Ford engines, prevents coolant leaks, sold as a kit.

Pioneer PE-102 freeze plug. Features complete engine set, steel construction, zinc oxide finish, fits Big Block Chevy, prevents coolant leaks, sold as a kit.

Dart 32540000 threaded rear cam plug for Dart SHP engine blocks. Made from steel with a natural finish, designed for street-strip builds to seal the cam bore securely. Enhances reliability in high-performance setups. Sold as each.

Dart 32530000 cam bore freeze plug for universal applications. Features a 2.5in diameter, made from steel with a zinc oxide finish, designed for racing builds to seal cam bores securely. Enhances reliability in high-performance setups. Sold as each.

Dart 32310000 threaded freeze plug for Dart engine blocks. Made from steel with a natural finish, designed for racing builds to seal engine block passages securely. Enhances reliability in high-performance setups. Sold as each.

Chevrolet Performance brass freeze plug for universal engine applications. Measures 5/8in in diameter, made from brass with a natural finish for corrosion resistance. Designed for street or racing builds, seals engine block core holes to prevent coolant...