Request helper spring as optional
#26678 from Josh Smith · Rule change · TB 19-06 (2019-06 Fastrack)
In T4, Mazda MX5/ Club Model (06-15), add to notes as follows:
"MSR option permitted. Suspension package permitted with a 100 lbs. weight increase that includes the following
parts: front springs #0000-04-9700-08, rear springs #0000-04-9400-07, helper springs#0000-04-HLPR-
EB (optional), F/R sway bar kit #GRM5-8MD16, front end links #0000-04-5499, rear end links #0000-04-5498."