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Besides the obvious ease of finding wheels, is there a reason to pursue a front hex swap for my B2 & T3?

Also, is it true the B4.2 caster blocks will fit the arms on the B2 & T3?
if not what needs to be modified for them to work? \

thanks

Yes u can use the b4 series caster blocks and steering arms to convert to hex, it might change the overall front wheel base a little, not sure what the ROAR max limit is, that may only matter is your racing, the only mod u will need to do is drill out the b4. Caster block hole. You can also use b4 wheels with bearings on the b3, you will need rc10 team car spindles to correct the front end with. Wide gt axles are a little to wide IMO