Cooling

Allstar Mandrel Spacer .750in ALL31024 Aluminum spacers properly space and align pulleys when used with a 1/8" keyed mandrel. The same spacers are found in the ALL31031 Mandrel Kit. Sold each. Alternate Description MANDREL SPACER .750IN Part...

Allstar Mandrel Spacer .500in ALL31022 Aluminum spacers properly space and align pulleys when used with a 1/8" keyed mandrel. The same spacers are found in the ALL31031 Mandrel Kit. Sold each. Alternate Description MANDREL SPACER .500IN Part...

Allstar Mandrel Spacer .250in ALL31020 Aluminum spacers properly space and align pulleys when used with a 1/8" keyed mandrel. The same spacers are found in the ALL31031 Mandrel Kit. Sold each. Alternate Description MANDREL SPACER .250IN Part...

Allstar Billet Water Neck Spacer ALL30375 Billet aluminum spacer fits between intake manifold and water neck providing connection options for temperature senders or additional water lines. 1" tall spacer fits most Chevy V8, includes four 1/2" NPT ports...

Allstar Billet Water Neck 20AN Black ALL30373 Billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel a full 360 degree to simplify connection of LH or RH radiator hoses to engine. Black anodized finish helps protect...

Allstar Billet Water Neck 16AN Black ALL30372 Billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel a full 360 degree to simplify connection of LH or RH radiator hoses to engine. Black anodized finish helps protect...

Allstar Billet Water Neck 1-3/4in Black ALL30371 Billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel a full 360 degree to simplify connection of LH or RH radiator hoses to engine. Black anodized finish helps protect...

Allstar Billet Water Neck 1-1/2in Black ALL30370 Billet aluminum water necks fit most Chevy V8, accept most standard thermostats and swivel a full 360 degree to simplify connection of LH or RH radiator hoses to engine. Black anodized finish helps protect...

Allstar Radiator Hose Restrictor ALL30242 Lower radiator hose restrictor helps keep the water in your radiator longer to improve cooling. Machined aluminum restrictor has a 5/8" I.D. and will fit into most 1-3/4" radiator outlets or radiator hose. ...

Allstar Water Outlet Restrictor Kit ALL30241 Restrictor replaces the thermostat to control the flow of water through the cooling system. Kit contains three 2-1/8" O.D. aluminum restrictors with 5/8", 3/4" and a 1" center I.D. hole that fit most GM V8 or...

Allstar Radiator Hose Reducer 1.75 to 1.5 ALL30240 Rubber reducer allows a lower radiator hose with a molded-in spring to be used as an upper radiator hose. In continuous high RPM applications, the upper hose can collapse limiting coolant flow. Upper...

Allstar Fan Spacer Kit 3.50 ALL30192 Fan spacers position fan closer to radiator or fan shroud and away from pulleys. 1-1/2" and larger spacers are uniquely designed allowing spacer to remain bolted to water pump while changing fans. Aluminum spacers...