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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Flywheels for 1937–'73 45" Flathead Engines

 
$545.95
SKU:
32-3013
Qty:
 
Dealer Only Item

 
 
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Replacement flathead 45 flywheels fit 1937–'73, 45" flathead engines except KH models. S&S replacement flywheels for KR/WR incorporate a modern crankpin taper, and must be used with a special tapered crankpin (34-2513, included). Compatible stock rods for KR or ironhead Harley-Davidson® Sportster® models, in conjunction with the special crankpin. A complete set of S&S connecting rods specifically designed for these flywheels are available. The S&S rod set includes the special crankpin, bearings, cages, and S&S heavy duty connecting rods.

Not available balanced or assembled.

Features and Benefits

  • 3 13/16" stroke
  • Fits 45" flathead, 45" KR and WR engines
  • Complete S&S connecting rod set – includes special crankpin, rods, bearings and cages
  • Compatible with stock 45" KR rods or rods for 1957–'84 Sportster models, when used with the special crankpin

Harley-Davidson® part number 23925-37.

 

Note: All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D® part number shown.

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