Specialty

Callies line of specialty products is offered to fill our customers’ needs for hard-to-find, quality items to compliment our crankshafts and related components.

Heavy Metal
Callies tungsten heavy metal is specially machined to ease installation and produce an excellent appearing product. Our HM slugs are center-less ground, then precision turned to length and chamfered. The result is unmatched dimensional consistency.
-Wide ranges of lengths are available to specifically match the variety of counterweight thicknesses found on Chevy, Mopar, and Ford crankshafts. Diameters from .500″ up to 1.250″ make locating the exact weight much easier.
-Callies also offers precision drills and reamers, ensuring a perfect interference fit for your heavy metal.

Damper Studs and Hat Washers
Callies designed this high quality stud kit specifically for use with our crankshafts employing deep hole post drilling. The kits are available in various lengths to suit a variety of crankshaft post driven accessory drives.

-The kit consists of a roll-threaded stud, parallel ground washer, and 12-point nut, all made of 8740 moly steel.
-Intended as a great companion item, Callies has developed a hex head hat washer that will simplify turning over the engine. It is manufactured from 8740 material, heat treated to 40Rc, and designed to allow a bolt head or nut to fit within its thickness, making it ideal for use in tight quarters.

Harmonic Dampers
Callies carries an assortment of harmonic dampers manufactured by ATI and BHJ. These dampers are available for most popular big and small block Chevy applications.