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BES Racing Engines - BES / BBF Blue Thunder Thor Heads

BES Racing Engines now offers complete cylinder head packages. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. We can also supply you with a matching camshaft and intake. No more guess work. Our combinations are proven. From mild street to serious bracket racer, we have a combination for you.

Casting are not available from BES at this time

BES / BBF Blue Thunder Thor Heads: Price

A very serious head for the growing BBF market. This head is a large head that we have used extensively with big block Ford nitrous combinations. This is designed for a big cubic inch, big power combo.

  • Bronze valve seats
  • Victory titanium valves
  • PSI or PAC springs
  • Manley hardened locks and locators
  • Manley titanium retainers

We can customize these specifications and components to your application, just give us a call at 812-576-2371

Starting @ $9,100.00

Please call 812-576-2371 for details.

BES / BBF Blue Thunder Thor Heads - Flow Numbers
  Intake Exhaust
.200  161  123.2
.300  253.3  195.3
.400  327.5  255
.500  395  307
.600  450.3  334
.700  497.6  354.2
.800  532.5  366.3
.900  556.6  371.6
1.000  553.3  376
Intake Valve Dia.  2.520
Exhaust Valve Dia.  1.820
Intake Port Volume  472cc
Combustion Chamber CC  75cc
BES does not build winning combinations based on flow numbers, but, everyone asks for them as a baseline, and that is why we are posting them. Flow numbers will vary from bench to bench.

We have many programs for a huge selection of domestic cylinder heads. If you don't see what you are looking for on the website, give us a call at (812)-576-2371.

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