I used Performance Engineering & Manufacturing.
Charged $164.00 total to do both Cryo & REM treatments.
Turn around time once they received the ring & pinion was 14 days.
Contact Randy to get a CN number for any parts you send to their plant.
Randy Harrison:
rharrison@pemracing.com
Performance Engineering & Manufacturing, LLC
425 Industrial Park Drive
Saint Clair, MO 63077
ph; 636 234-0975
fax 636 234-0982
www.pemracing.com