Here is one brand of OTS rudders, Duramax also builds them , both will modify to suit for a few extra bucks.
Sit down and have a couple of cool ones before looking at the list price.
Remember most hardware has a 50%+10% discount , so find some OEM to order it factory direct and save big.
Buck Algonquin - Steering Parts - High Speed Rudders - Flanged Type
Buck Algonquin Flanged High Speed Rudders are available in Cast Bronze or Stainless Steel.
Buck Algonquin Flanged High Speed Rudders have a stainless steel shaft (unless noted otherwise).
Special Lengths and keyways can be installed upon special request.
Manufactured by the most trusted name in the Marine Hardware Industry, Buck Algonquin.
Backed by Buck Algonquin's one year warranty
Due to the instability of the metals market, the price of Buck Algonquin rudder is time sensitive, and all rudders are priced on request.
Model Number Shaft Material Shaft Size Blade Dim. Leading Edge Hub above Flange Weight (lbs.)
10R3HSFSS1 Stainless Steel 1 x 18" 9-1/4 x 11-1/2" 2" 1" 16
10R4HSFSS1 Stainless Steel 1 x 15" 6 x 12" 2" 7" 11
10R5HSFSS1 Stainless Steel 1-3/8 x 21-1/4" 9-1/2 x 15" 3-1/4" 2-1/2" 28
10R6HSFSS1 Stainless Steel 1-1/4 x 20" 9-1/2 x 15" 3-1/4" 1-1/2" 28
10R7HSFSS1 Stainless Steel 1-1/2 x 12" 10 x 16" 3" N/A 32
10R8HSFSS1 Stainless Steel 1-1/4 x 16" 9-1/2 x 15" 3-1/4" 1-1/2" 33
10R9HSFSS1 Stainless Steel 1-1/2 x 20" 15-1/4 x 24-3/4" 5-7/8" 4-13/16" 80
10R10HSFSS Stainless Steel 1-1/4 x 12" 11-1/8 x 11-1/2" 3-1/8" N/A 28
10R11HSFSS Stainless Steel 1 x 12" 11-1/8 x 11-1/2" 3-1/8" N/A 28
10R30HSFSS Stainless Steel 1-1/4 x 16" 10 x 14 1/2" 2" N/A 32
10R31HSFSS Stainless Steel 1-1/2 x 20" 11 x 16" 3-1/2" 4-1/2" 40
10R32HSFSS Stainless Steel 1-1/2 x 13 1/4" 14-5/8 x 18-3/4" 3" 4-1/2" 30
10R33HSFSS Stainless Steel 1-1/4 x 13 3/4" 10-5/8 x 16-3/4" 2-5/8" 2-1/4" 25
10R34HSFSS Stainless Steel 1-1/2 x 18 1/2" 13 x 20-3/4" 4-7/16" 4-1/2" 36