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Whale Tail XL

Aluminum Stabilizer and Ski Boat Fin

Improves performance in any I/O or outboard motor!

The Whale Tail XL extends out behind the prop to utilize prop wash energy which is normally lost. Whale Tail transforms this energy into lift for immediate response when the throttle is applied.

  • Unique hydrodynamic design
  • Stabilizes bow-light boats
  • Pops skiers up in less time


Flattens wake for water skiing; creates positive, skid-free turns:
  • With bow lowered, visibility and safety is improved
  • Smooths out ride in rough water
  • Reduces porpoising & cavitating
  • Increases top speed and fuel savings in most applications
  • Mounts on the anti-cavitation plate of all inboard/outboards and outboards
  • Installs in 15 minutes with stainless steel hardware included
  • Marine grade aluminum with durable anodized finish
  • Use the Whale Tail XL year-round in freshwater or saltwater to improve performance of any boat!
Product Information
Weight: 3.6 lb
Dimensions: 16× 14× 1in
Product Specifications
Manufacturer Part Number 448
Manufacturer Name Davis Instruments
Drop Ships Direct from vendor no
Hazardous materials no
Truck Freight no
Exportable yes
First Class Mail no
Oversized no
Remanufactured no
Closeout no
Prop 65 no
Returnable yes
Product Manuals & Guides

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Davis Whale Tail XL
Davis Whale Tail XL
$129.99