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[laylonlor]

need 4.5 fly wheels welded trued  who has the best , and is harley F W welded?  think i 'll go with  120 build, can i use a (58 throttle body) all ready , have one,.. on this 120

[Unbalanced]

HD's cranks are not welded as they come.   Would recommend P3R or S&S over the HD's even SE Flywheels.   Would recommend 117 or 124 over 120, haven't had great luck with piston slap and longevity or power out of the 120'.  For dollars 124 much better value imo.

[laylonlor]

thanks, ...124  what stoke and bore ?

[Unbalanced]

4 1/8 x 4 5/8 is S&S 124

4 1/8 x 4 3/8 is 117

[laylonlor]

i would have thought the stroke would have been more, cause 110 is 4 3/8 stroke

[goop]

im doing a 124 build right now with dragos bike works. im using the p3r crank. pretty much bullet proof. i went with the best crank as i might end up adding an aerocharger.

[prodrag1320]

Dont bother just welding the F/W's,it wont stop them from moving.your best bet is to use S&S,either with 4.375 or 4.625.personally,ide go the 124" route