Here is a High Quality COPY from my collection of originals, of a rare 1970 DOUGS Performance parts for SKI DOO Snowmobile Dealer Brochure.  Covers many racing Performance parts like Tuned Exhaust Systems, Intake Manifolds, Hi Performance Cylinder Heads, Spark Plugs, Sprokets, Oils and Special Tools and Equipment. This brochure is , 4 double sided Color pages. Comes with price list. From Dougs Incorporated Virginia Minn...........  Shipping is $9.00...… THANKS