If a new engine is in your future, here's one more reason to make sure it's an O.S. engine: Bonus Bucks! It's a special, limited-time offer, and it works like this: if you buy a new O.S. engine from Great Hobbies between Monday, August 3, 2009 and midnight on Thursday, December 31, 2009 and trade in an old engine, you'll receive Bonus Bucks as a reward. They come in the form of a merchandise certificate which you can use to buy products from many of R/C's most respected manufacturers.

Any old engine will do. Brand, condition and displacement don't matter — it doesn't even have to run. Just trade it in when you buy your new O.S. engine — and you'll get Bonus Bucks in return! This offer is good on every engine that O.S. makes — and depending on the new O.S. engine you buy, you could end up with as much as $150.00 in merchandise credit! See the chart for the O.S. engine you want to buy, and you'll find the number of Bonus Bucks you'll get listed above it!

All of the details are available in the rebate form. Download it here and find out for yourself just how much could be in store for you!