Valve Guide Driver - Air Kit

Designed to remove and install cast iron or solid bronze 1/2" valve guides easily. Made of a special, heat-treated alloy steel for long life and durability.

Includes: AD-312 (5/16 x 1/2), AD-343 (11/32 x 1/2), AD-375 (3/8 x 1/2) & AD-436 (7/16 x 5/8)