Walker Cobra Series radiators boast a relatively thin, but efficient, high-flow copper core which is ideal for use with mild Small Block engines with stock or low compression ratios. Each radiator is built for a direct fit with heavy gauge steel side brackets and standard mounting holes pre-stamped. Plus, all radiators feature a built-in oil cooler for use with automatic transmissions.
Chevy Chassis W/ Chevy Engine Application Chart (GIF)
Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.
These Spal fans feature curved blades which are much quieter than straight bladed fans. Pull type only. Available in 14" or 16" diameter. No mounting hardware is include. You may wish to order 910-64065.910-153 Instructions (PDF)Learn more about the importance of using a fan and shroud with our radiators by reading our tech article. Radiator Cooling Performance.
These Spal fans feature curved blades which are much quieter than straight bladed fans. Pull type only. Available in 14" or 16" diameter.
No mounting hardware is include. You may wish to order 910-64065.
910-153 Instructions (PDF)
Learn more about the importance of using a fan and shroud with our radiators by reading our tech article. Radiator Cooling Performance.
At one time or another we all have had a car overheat. These fan/shroud combos are just the ticket to avoid having it happen again. These 2500 CFM pull-type fans measure 2-5/8" deep at the motor, 2-3/8" at the mounting brackets and 1-1/2" at the high impact shroud.
Note: This fan motor requires the use of a 70 amp or larger fan relay.
Fan Application Chart (GIF)
Walker Z-Series radiators feature a 4-row, high-flow copper core which is ideal for use with Big Blocks, blowers, and high compression engines. Built for a direct fit with heavy gauge steel side brackets and mounting holes pre-stamped. Includes a built-in oil cooler for automatic transmissions.
820-Z5131 Dimensions - Back (Link)
820-Z5131 Dimensions - Front (Link)