Check out our special offers on ebay:

The All New 77mm Bore DH-Racing.com Billet STEALTH Throttle Body



After years of persistence comes perfection.

  • 83mm inlet SuperFlow® tested and tuned to 77mm plate / exit
  • DH-Racing engineered on the SuperFlow® for absolute maximum CFM capacity
  • 3/8" heavy duty hardened steel shaft
  • Hard anondized, non-stick, non-corrosive coating to prevent butterfly sticking and surface damage
  • Quad-sealed (2 seals on each side) to prevent vacuum leaks
  • Steel throttle rotor, similar to Honda's, prevents cable fraying or breaks
  • Dual throttle return springs
  • Dual needle bearings - high quality, low friction
  • Brass idle control screw for precision adjustments
  • Manufactured and hand assembled in the U.S.A.
  • All bolts use Loctite™ to prevent back-outs
Order yours today for $299 usd shipped. (+$19 USD for International Shipping)
  

HIGH FLOW HEAD SPECIAL
DH-Racing takes great pride in our portwork and guarantee our flow numbers. Remember, for every 2 CFM increase in flow, approximately 1 HP is gained.
STAGE 1 STAGE 2
For Any Import Head For B16 & B18C
  • Bowl Porting
  • Milling
  • Stock Valve Job
  • 15 CFM gain
ONLY $500 + S/H!
  • Full Porting
  • Milling
  • Stock Valve Job
  • 295 CFM
ONLY $799 + S/H!
STAGE 3 STAGE 4
For B16 & B18C For B16 & B18C
  • Full Comp Port & Polish
  • Milling
  • Stock Valve Job
  • 305 CFM
ONLY $999 + S/H!
  • All of Stage 3
  • Huge 315 CFM!
ONLY $1299 + S/H!

*** Core required ***
DH-Racing uses a SuperFlow 600
flowbench to guarantee your results.
All tests are performed at the 28" industry standard.

Check out our record setting portwork flow bench results:
Click to enlarge
Click here to see the video
Feel free to ask about any work you wish to have performed that you don't specifically
see mentioned on the site. DH Racing can now do port work for ANY AND ALL import heads!
If it's an import, we'll port it!




 
 
 
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