300/440/550 Machining a JS550 flywheel to make it lighter. Who does this work?

[monoshock]

Cost, Email, mailing address, phone number, any info?
Is Group K the only place that does this.
Thanks.

 

[550 SLUT]

Cost, Email, mailing address, phone number, any info?
Is Group K the only place that does this.
Thanks.

i would only trust them

buy a light weight one and fork over the money

 

[john zigler]

group K

zig