Bearing set; fits W/G-models 1940-1973, K-model and Sportster 1952-1977; steel, CAD (ZnNi process); tolerance class: ABEC 1; with cups, cones and balls; replaces OEM HD 48301-40; NOTE: K-model and Sportster require a lower centering collar WW# 18-656 or lower bearing race WW# 15-120.; gross weight: 440 g

These frame stabilizers for 45”/750 cc W & WR Flatheads replace the seat post units and were already used back in the days to counteract the stresses and strains of racing, as the frames often threatened to break around the rear motor mount area. This relatively light tubular construction with welded ends solves this problem, as the seat post tube is reinforced from the inside. The stabilizer is inserted into the seat post tube and held in place by a flange attached to the top. The tube is fixed from below with a 5/8" screw. ...

These frame stabilizers for 45”/750 cc W & WR Flatheads replace the seat post units and were already used back in the days to counteract the stresses and strains of racing, as the frames often threatened to break around the rear motor mount area. This relatively light tubular construction with welded ends solves this problem, as the seat post tube is reinforced from the inside. The stabilizer is inserted into the seat post tube and held in place by a flange attached to the top. The tube is fixed from below with a 5/8" screw. ...

These are the wheels to replace the worn or missing stock part on your Knucklehead, Flathead or Panhead. They look just like they came from the factory in that era with black hub and rim as well as cad-plated spokes. The star hub is compatible with original axles and stock brakes. The icing on the cake is the correct Kelsey-Hayes (KHW) rim stamping.

The forks for 45”/750 cc solo models have a 7/8” fork stem and fit the stock neck bearings....

Authentic reproductions of the original WR gas tanks as used on the 1946-1952 production race bikes of the same name. The narrow shape and omission of the speedo assembly achieve that much sought after racy look.

There is NO Substitute for more cubic inches! Boost your little Flatty up to 54 cui or 900cc respectively and experience the change from a lame duck to an agile pony. These 4.5” stroker flywheels require special stroker pistons which are also available. Recommended for qualified mechanics only because the flywheels need to be balanced and the engine cases and cylinders must be relieved for the rods to clear....

Fully assembled, ready-to-install, 4-speed (!) transmissions for 1941-up 45 cui./750 cc Sidevalve Harleys. ...