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O.S. - OSMG2489 OSM71533255 71533255 531028141575 4531028141575
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  Tech Notes

Parts Compatibility

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O.S. Carburetor Reducer 5.5MM 12XZ Speed
O.S. Carburetor Reducer 5.5MM 12XZ Speed
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Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
O.S. Carburetor Reducer 5.5MM 12XZ Speed Add to Wish List
27.68  Buy Now 1.30  
O.S. Carburetor Reducer 5.5MM 12XZ Speed Add to Wish List
41.31  Buy Now 2.16  
O.S. Carburetor Reducer 5.5MM 12XZ Speed Add to Wish List
68.50  Buy Now 3.95  

Tech Notes
                   This is the optional 5.5mm Carb Reducer
             for the O.S. Engines 12TZ Speed Spec 2 Engine.

FEATURES: O.S. Speed racing performance parts, red aluminum construction Installs into carburetor venturi to reduce the amount of air flow which assists in increasing the amount of torque produced

INCLUDES: One 5.5mm carb reducer and two rubber O-rings

REQUIRES: Installing included O-rings on reducer then sliding into carb

SPECS: Height: 14.5mm (0.57") Diameter: 5.5mm (0.22") (approx) ID @ bottom 10mm (0.39") (approx) ID @ top 12.7mm (0.50") OD main body 16mm (0.63") knurled flange at top

cnh 3/9/09

– If you need more information, use these O.S. resources –
Web Site:
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Parts Compatibility
Parts Compatibility for O.S. Carburetor Reducer 5.5MM 12XZ Speed
This item is a replacement part for the following:
 LXCNFN O.S. 12XZ Speed Spec III Engine  (Parts List)
 LXCULR O.S. Carburetor 12F2-B 12XZ Speed Spec 3  (Parts List)
 LXWPL6 O.S. Carburetor #12FB 12XZ Speed  (Parts List)

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