Cooling

Allstar Mandrel End Bolt 1/2-13x4in ALL31038 Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley with...

Allstar Mandrel Bolt 3pk 5/16-18x1in ALL31037 Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley...

Allstar Mandrel Key 1/8in ALL31036 Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley. Mandrel is attached to the crankshaft pulley with three...

Allstar Mandrel Spacer 1.25in ALL31028 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.

Allstar Mandrel Spacer 1.00in ALL31026 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.

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.

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.

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.

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...

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...

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",...

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...