I have made several of these from BSA/USA, and from Pine Car wheels. You need to machine out some of the inside. The tread wall on BSA's run about .042" thick, with an OD of .172". The hub diameter is .205". I also faced off the lettering on the inside of the BSA's to get to 2.1 grams.
Whoops! - the OD is 1.172".
Yeah I gotcha on that one
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2023-2024 Stage 2 March 23rd
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2024 MOG Divisions Pro Stock
BASX Pro
Dragster
Bracket
Eliminator
Unlimited
Table 3 content
BASX Pro
Single Pass • Ca$h Racing 2.9395 (4/20)
BASX Xtreme
Single Pass • DWS Racing 2.9149 (3/23)
Eliminator
Single Pass • DWS Racing 2.8675 (10/28)
Dragster
Single Pass • DWS Racing 2.8898 (9/30)
Mid America
Single Pass • DWS Racing 2.9043 (3/23)
Mini Cooper
Single Pass • DWS Racing 2.9662 (4/20)
Pro Stock
Single Pass • J and J Racing 2.9004 (12/2)
Pure Stock
Single Pass • DWS Racing 2.9303 (3/23)
Street Stock
Single Pass • DWS Racing 2.9120 (3/23)