Receive 10% off your Pre Season Snowmobile Check up on November 28, 2008 for our After Thanksgiving Day Sale Valid only at Great Lakes Power Sports on November 28, 2008. Not Valid with any other offers. Present this coupon to: Great Lakes Powersports G 3450 Miller Rd. Flint, MI 48507 Select File and Print to print your coupon. (PC Ctrl+P or MAC Apple+P)