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HARLEY PARTS
High Quality Parts from CAS4
YOST
POWER TUBES
KEIHIN CV CARBURETORS and
SCREAMING® EAGLE CV CARURETORS
The secret is in the mist. Think about it. The YOST POWER TUBE
simply converts your fuel from a squirting liquid to a fine mist.
Provides increased combustion efficiency, more power (up to 5HP) & awesome
throttle response. Each kit come complete with the emulsion tube, yost power
tube (press fitted into the emulsion tube), Blue and Red needles, 1/8"
drill bit, 7/64" drill bit, compression spring, main jets, and washers.
Carburetor Shown for reference only.
| Part # |  Description |
List Price | Your Price |
| YOSTPTR1 | Fits 40 mm Keihin CV Carburetors
|
$119.95 | $105.00 |
| YOSTPT2 | Fits 44 mm SCREAMING® EAGLE CV CARBURETORS | $119.95 | $105.95 |
MIKUNI HSR 42 & 45 CARURETORS
Just like the other Yost Power Tubes, the Yost Pro Power Tube for
Mikuni, by design, produces a very fine mist. This very fine mist allows the
fuel to stay in suspension longer for better control of air and fuel mixtures
and can be almost perfectly matched for any throttle position. You can expect an
increase of up to five H.P., improved mid range performance, and an incredible
throttle response that will be sure to impress. The Yost Pro Power Tube Kit
comes with the Yost Pro Power Tube, a selection of five Main Jets, rubber washer
and the Yost Float Bowl Drain Nut. The main jets in this kit are
interchangeable with stock H-D CV main jets and can be purchased at any OEM or
any aftermarket dealer. However, they are not interchangeable with Mikuni jets,
the jet threads are different, even though the actual size of the jets are the
same, IE; if you have a 175 Mikuni main jet installed originally then use the
supplied 175 main jet in this kit. Carburetor Shown for reference only.
| Part # | Description |
List Price | Your Price |
| YOSTMHSR | Fits HSR 42 & HSR 45 Mikuni Carburetors | $59.95 | $52.00 |
S & S SUPER, E, G, and B Series
Carburetors
Provides increased combustion efficiency, more power (up to 5HP) &
awesome throttle response. Carburetor Shown for reference only.
| Part # | Description |
List Price | Your Price |
| YOSTYSS | Fits SS Super " E ", " G " and " B " Series Carburetors | $49.95 | $44.95 |
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IMPORTANT: 
We at CAS are not a representative of any motorcycle manufacturer and the
parts we sell are not necessarily recommended by any motorcycle manufacturer.
Although our replacement parts are not original factory equipment, our intention
is to provide quality replacement parts that meet or exceed standards set by the
manufacturer.
We are not an authorized Harley® dealer and in no way do we have, or intend to
imply any kind of business relationship with Harley-Davidson Motor Company® .
Our intention is to provide products that can be used on a Harley-Davidson®
motorcycle.
CAS sells officially licensed Harley-Davidson® products.
However, any products with the trademark, name, word or OEM part number
used in this catalog by CAS is intended to be as a reference only to
the usage of that particular product. None of the parts and accessories in this
catalog were manufactured by or with the permission of the Harley-Davidson®
Motor Co. The words, TC88, Electra Glide, Evolution, H-D, Harley, Harley-Davidson, Low
Glide, Road King, Roadster, Softail, Sportster, Sturgis, Super Glide, Low Rider,
and
Wide Glide are registered trademarks of Harley-Davidson® Inc., Milwaukee
Wisconsin, U.S.A. The words, VROD, V-ROD, Duo Glide, Dyna Glide, Fat Boy, Hydra Glide
and Bad Boy are trademarks of Harley-Davidson®, Inc., Milwaukee, Wisconsin, U.S.A.
The following model designations for Harley-Davidson® motorcycles are used in
this catalog for reference only: EL, FL, FLH, FLHR, FLHS, FLHT, FLHTC, FLHTC-I,
FLHTS, Ultra, FLHX, FLST, FLSTC, FLSTF, FLSTN, FLSTS, FLT, FLTC, FLTC Ultra,
FXB, FXD, FXDB, FXDC, FXDG, FXDL, FXDS, FXDS-Conv., FXDWG, FXE, FXEF,
FXLR, FXR, FXRC, FXRD, FXRDG, FXRP, FXRS, FXRSE, FXRS-Conv., FXRS-SP,
FXRT, FXS, FXSB, FXST, FXSTC, FXSTD, FXSTS,FXSTSB, FXWG, GE, K, KH, WL, WLA,
XL, XLCH, XLCR, XLH, XLH 883, XLH 1100, XLH 1200, XLR, XLS, XLT, XLX and
XR1000. Buell, S1, S2, M2, Cyclone, Lighting, Thunderbolt, X1. All other brand names
or trademarks, or registered trademarks used in this catalog are the property of their
respective holders.
Please review our terms
and conditions page Thank You