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Carryall

A trade name once used for a large station wagon built on a truck chassis; predecessor of the Suburban.

Carson Top

A removable, non-folding, padded soft top, used on many customized convertibles and roadsters.

CART

An acronym for Championship Auto Racing Teams.

Cartridge Filter

A filter media that includes yarns, felts, papers, resin-bonded fibers, woven-wire cloths, and sintered metallic and ceramic structures for cleaning impurities from air or liquid. Performance obtained by a disposable cartridge filter may range from 500 um to 1um or less.

Cartridge Roll

A rolled piece of sandpaper used to deburr or blend sharp edges, such as when porting and polishing a head.

CAS

Clean air system

CAS Registration Number

The Chemical Abstract Service Number used to identify a chemical.

Cascade

Two devices in tandem; the output of one device connected to the input of the other.

Case Harden

A heat-treating process that hardens the outer surface of metal, while leaving the core soft and ductile.

Casing

1. The outer part of a tire assembly made of fabric or cord to which the rubber is vulcanized. 2. The other housing or shell containing as assembly.

Cassette Adapter

A device that plugs into the cassette deck in a head unit and allows the user to connect a portable CD player or other input device.

Cassette Player

See cassette deck.

Cast

A component that has been made by melting metal and shaping it in a mold. Many automotive components are made of cast iron or cast aluminum.

Cast Iron

A term used for a family of cast ferrous alloys containing at least 2% carbon, plus silicon and sulfur; may or may not contain other alloy elements.

Cast-iron Guide

A valve guide made of cast iron.

Castellated

Formed to resemble a castle battlement.

Castellated Nut

A nut with six raised portions or notches through which a cotter pin can be inserted to secure the nut.

Caster

1. The angle between the steering-spindle axis and the wheel vertical as viewed from the side. 2. The backward or forward angle of the steering axis viewed from the side of the car.

Caster Angle

The amount, measured in degrees from the vertical, that the upper ball joint is located behind or ahead of the lower ball joints.

Casting

A metal object formed to the required shape by pouring or injecting liquid metal into a mold.