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Used No-Drill Clamp Set

Used No-Drill Clamp Set

Uncle Norm's Marine Products

  • $ 6200
  • Save $ 700

No holes to drill when mounting the Uncle Norm's Fins with the No-Drill Clamp Set. Works on most outboard and I/O stern drives up to 300 HP (Not recommended for the Volvo with exhaust through cavitation plate.). It's simple, fast and effective. Aluminum construction and powder coated for good looks and durability.

Benefits and Features


  • Designed to be Used with the Orca-Performance Fin and Dolphin-Trolling Fin
  • No Holes to Drill in the Motor
  • Machined from Solid Aluminum Bar Stock
  • Stainless Steel Hardware Included
  • Black Powder Coated Finish
  • Installs Quickly with Minimal Tools
  • Can Be Removed in Minutes
  • Simple Instructions
  • Made in USA



In Use Pictures


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Customer Reviews

Based on 35 reviews
works great

only way I know to increase rudder

Uncle norms Dolpfin for Honda 9.9

Item arrived and looked great. Followed instructions on how to mount non drill mount. Found only the way it would fit was to grind down center portion about a quarter inch. It wouldn't lay flat against the rubber stick on. My buddy had it also and said he needed to do the same and he has the same motor. He forgot to tell me. Looking below my prop is really close to making contact to with the underside of the mount. It's the thickness of a penny. More work or more worry for this mount that was supposed to fit without drilling. Please ask other 2018 Honda 9.9 owners if they have had the same issues. pictures show grinding modification and prop closeness.

Rod, I wish you had called us. It was not required to grind or open up the fin slot to fit your motor spine exactly. That groove was only a centering tool. It did not need to fully seat. Often, the fin will lay flat if it is just moved aft a bit. It does not hurt to have the fin moved aft, in fact it makes the fin more powerful.
So Far So Good

Bought the no-drill clamp set because the thought of drilling holes in my brand new motor was scary. Installation was simple. (The bolts for the drill installation are not the same) It seems to be VERY secure. The Orca Fin works GREAT. Hope the clamp stays secure for a long time.


exellent service and product worked as avertised

Tracy from Brookings OR

I purchased the dolfin and no drill clamp set, it was easy to install on my Yamaha 9.9, it is a well designed high quality product and provides positive control on my 24 foot Willie Raptor. I also have a TR1 gold installed on my kicker but have not used it since installing the dolfin. I am very satisfied with your product and would recommend this product to everyone.

Tracy, thank you for your comments. It's hard to get people to try something new. I appreciate people like you that are willing to take a chance. As you found out, we really do make a difference.