HRD Racing Heads
7791 Aqua Circle, Unit 4
Dalton Gardens, ID 83815
Al Dicksen
Phone (208) 762-9600
Fax (208) 762-1597
E-Mail:
hrdheads@verizon.net
We were recently featured
in Drag Illustrated!
Click here to read.
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UPGRADES
We GUARANTEE to make your heads flow more air and make more horsepower! HRD offers an upgrading service for those "mass produced CNC'd heads" that have disappointed so many engine builders.
Sportsman Upgrades Starting at $1000
Example - 18 deg. BMF heads |
| Before |
After |
| Int. 356 cfm |
376 cfm
|
| Exh. 259 cfm |
276 cfm
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Pro Upgrades Starting at $1500
Example - A.J. Hemi |
| Before |
After |
| Int. 493 cfm |
539 cfm
|
| Exh. 384 cfm |
401 cfm
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