Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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America's Oldest Speed Shop ®


Speedway Small Block Chevy Cooling Unit

SAME DAY SHIPPING! Order within the next 11 hours 45 minutes and receive same day shipping

Centerline of Holes:
Sold in Quantity:
Gasket(s) Included:
Hardware Included:
Fitting End A:
-4 AN
Fitting End B:
1/8" NPT
Base Height:
Hose Length:
Includes (2) thermostat gaskets, (4) fittings, (2) hoses, a thermostat housing adapter, and mounting hardware.
Speedway Small Block Chevy Cooling Unit
Speedway Small Block Chevy Cooling Unit
Speedway Small Block Chevy Cooling Unit

Click image to enlarge

Please NOTE the following about this product:

  • This item is sold as a set.



Q & A

What's in the Box

This cooling unit improves coolant flow and reduces hot spots in your small block Chevy. Fittings install in each head adjacent to the crossover and connect to thermostat housing. Suitable for use with all aluminum and cast iron heads. Contains spacer/adapter, two 18" high-pressure hoses, (4) 1/8" NPT x AN 4
, gaskets and hardware.

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