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PLEASE study these instructions carefully before installing your new High-Flow Air Cleaner Element for Harley-Davidson® Twin Cam®
EFI engines. If you have any questions or problems, do not hesitate to contact our Technical Hotline at: 1-800-416-8628, from 7am-
5pm, Monday-Friday, Pacific Standard Time, or via e-mail at: Edelbrock@Edelbrock.com.
Edelbrock High Flow 8” Air Cleaner Element
for Harley-Davidson® Twin Cam® EFI Engines
Catalog # 8679
INSTALLATION INSTRUCTIONS
• Description:
This Edelbrock High-Flow Air Cleaner Element is designed to supply increased air flow for modified engines using the Edelbrock
Power Package for Twin Cam EFI engines. It is 1/2” taller than the stock air cleaner, and also requires the use of an 8” air cleaner
cover (not supplied).
Note: The Edelbrock High-
Flow Air Cleaner is 1/2” taller
than stock. The taper is
reversed, which will require the
use of an 8” air cleaner cover.
Catalog # 8679
Rev. 6/04 - RS/mc
Brochure # 63-0288
©2004 Edelbrock Corporation
Edelbrock
Stock
1. Install the 3 supplied set
screws into the original air
cleaner bolt holes using a
1/8” Allen wrench. Apply a
small amount of blue
Loctite to the threads
before installation.
2. Slip the 1/2” spacers over
the set screws.
4. Install your air cleaner cover. An 8” diameter cover must be
used. Notice that there are four additional holes in the air
cleaner plate. These are to allow use of the filter on early
OEM Harley (Magneti Marelli) fuel injection. These will be
sealed when the air cleaner cover is installed. Therefore,
unfiltered air will not be allowed into the engine.
3. Place the air cleaner
element over the set
screws and secure the air
cleaner with the supplied
washers and nylon
locknuts.
Edelbrock Corporation • 2700 California St. • Torrance, CA 90503
Tech Line: (800) 416-8628
Office: (310) 781-2222
E-Mail: Edelbrock@Edelbrock.com
• Kit Contents:
Qty. Description
1 Air Cleaner Element
3 Set Screws (Allen Head)
3 1/4” I.D. x 1/2” Spacers
3 1/4” Washers
3 1/4” Nylon Lock Nuts
The words Twin Cam, Harley, and Harley-Davidson are registered trademarks of Harley-
Davidson, Inc., Milwaukee, Wisconsin, USA, and are used in this instruction sheet for
reference only.
Edelbrock is a registered trademark of Edelbrock Corporation
2700 California St., Torrance, CA 90503, USA