Performer 3-Piece EFI Intake Manifolds
for Harley-Davidson® Twin Cam 88 Engines
with Electronic Fuel Injection
Catalog #1768
INSTALLATION INSTRUCTIONS
Please study these instructions carefully before installing your new intake manifold. If you have any questions or problems, please
call our Technical Hotline at: 1-800-416-8628, 7:00 am - 5:00 pm, Pacific Standard Time, Monday through Friday or e-mail us at
edelbrock@edelbrock.com. Please fill out and mail your warranty card.
DESCRIPTION
The Edelbrock Performer 3-piece intake manifold is designed for street high performance use
with Edelbrock Twin Cam EFI Performer RPM heads only. This intake manifold is designed to
®
make excellent power increases in the stock rpm range of fuel injected, Harley-Davidson
®
Twin Cam engines (idle to 6000 rpm). This manifold and heads feature a rectangular shaped
intake port for a noticeable increase in air flow. This .125" raised rectangular intake port also
helps to increase the velocity of the incoming air for more power. This intake manifold can
only be used on Edelbrock heads because of the unique port shape. The Performer
manifold fits fuel injected Twin Cam 88 based motors with Edelbrock Performer RPM heads.
It is designed to accept the stock 44mm throttle body. NOTE: A 4mm ball end Allen wrench
or 4mm ball end Allen driver is required to properly tighten the throttle body mounting screws.
MANIFOLD ASSEMBLY
1. Inspect manifold for any nicks or other damage on the
6. Lubricate grommets with a lightweight oil such as fork oil
or brake assembly lube (not brake fluid). Note that the
grommets are rectangular, and will only fit on manifold
one way. Push grommets onto manifold as far as they will
go, with the tapered side facing the manifold.
sealing surfaces.
2. Apply a light coating (one drop) of brake cylinder
assembly lube, or a light film of white grease to each of
the o-rings on the
stock fuel injectors
and press them
carefully into the
intake manifold.
Apply light
coat of
brake lube
or white
grease to
each o-ring
Bevel
Towards
Flange
3. Carefully slip the
factory fuel rail over
the fuel injectors and
Flat Side Towards
Intake Manifold
Manifold Flange Assembly Order
(Apply Light Coat of Lube to Grommet)
press down until the fuel injectors are seated into the fuel
rail. NOTE: It may be helpful to press one injector into
the fuel rail at a time. The o-rings will allow enough flex
to maneuver the fuel
rail over each injector
individually.
Press
firmly to
seat the
fuel rail
4. Using the supplied
4mm x .7, 16mm long
socket head cap
screws, secure the fuel
rail to the intake
manifold. DO NOT
OVERTIGHTEN.
5. Note that flanges are marked front and rear. Place
flanges on manifold with the 30° tapered side facing out
(toward the head) and the slotted bolt holes to the rear of
the manifold.
Complete Manifold Assembly
Evolution and Harley are registered trademarks of Harley-Davidson, Inc., Milwaukee,
Wisconsin, USA and are used in this brochure for reference only.
Edelbrock is a registered trademark of Edelbrock Corporation, Torrance, California.
©2004 Edelbrock Corporation
Page 1 of 2
Brochure #63-0285
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