If you currently have a larger size piston in your vehicle, you would need to replace BOTH wheel cylinders.
1958-1964 Chevy Impala 2" Drop Disc Brake Conversion
1958-1964 Chevy Impala 2" Drop Power Disc Brake Conversion
for Chevy Impala 1958-1964 8" Chrome Power Brake Booster Conversion Disc Drum
REAR BRAKE SPRING HARDWARE KIT VOLKSWAGEN T1 BUG BEETLE & GHIA 1958-1964
113-698-237D FRONT BRAKE HARDWARE KIT VW BUG 1958-1964 EMPI# 98-6986-B
113-609-237D FRONT BRAKE SHOES Bug 1958-1964 X4 EMPI 98-6091-B VW BUGGY BUG GHIA