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There is a Vortex Valve™ for every engine, everywhere.

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Every day you go without a Vortex Valve™ is throwing money away.

4-Bolt Stage 1 Harley Vortex Valve™ Installation

CHECK OUT MIKE LANCIER'S 2000 HARLEY DAVIDSON ROAD GLIDE. THIS BEAUTY'S GOT EVERYTHING AND A VORTEX VALVE™ TOO. GREAT RIDE!

CHECK OUT MIKE LANCIER'S 2000 HARLEY DAVIDSON ROAD GLIDE. THIS BEAUTY'S GOT EVERYTHING AND A VORTEX VALVE™ TOO. GREAT RIDE!

See our complete list of Model Years for the Harley Davidson Road Glide in the Vortex Valve™ Online Catalog

  • 4-Bolt Stage 1 Harley view 1
  • 4-Bolt Stage 1 Harley view 2
  • 4-Bolt Stage 1 Harley view 3

UNDER 5 MINUTE INSTALL ON A HARLEY DAVIDSON 4-BOLT STAGE 1

Increased Mileage, Power & Torque
Only $69.95 US

Installing a Vortex Valve™ on your 4-Bolt Stage 1 Harley is as easy as 1,2,3.

Step 1

4-Bolt Stage 1 Harley install step 3 Make sure the engine is off. Always wear gloves when working on machinery that is not running. Using a 1/4" Allen wrench we loosened and removed the bolt in the center of the air cleaner cover. Note: The end of the wrench had been dipped in wax to prevent denting or scratching the chrome. Then we carefully placed the air cleaner cover on a cloth.


Step 2

4-Bolt Stage 1 Harley install step 3 4 Bolt Stage 1 engineNext we removed the four 10mm bolts that hold the Stage 1 filter in place and removed the Stage 1 air filter. When you take the filter off it looks like the picture on the right


Step 3

4-Bolt Stage 1 Harley install step 3 Install the 4309-10CV Vortex Valve™ around the inside perimeter of the filter, with the flat side facing the engine, like the picture at the left. Make sure the bolt holes are accessible. Replace the filter and the bolts. Tighten. Replace the air filter cover and tighten the center bolt or screw. You are ready for the open road or wall-to-wall traffic with plenty of extra power and torque and response and great mileage too. Click here to see a 3-bolt Stage 1 install.

Got Stage-1? Save $10.00. Click Here to Order Now! You get an American Made Vortex Valve™ for only $59.95. Satisfaction guaranteed.


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Guarantee

Your Vortex Valve(s)™ will be on its way to you within 7 working days. There are a few special applications and these may take a week or two longer. Your Vortex Valve™ is 100% guaranteed against any defects in workmanship and materials. Your Vortex Valve™ is made in the USA with high quality stainless steel that's made here too.

Air Synergy Labs, Inc offers a Lifetime replacement guarantee on workmanship and any manufacturer defects as long as you own the vehicle on which it is installed.