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A graphic showing the ultimate OBS R4 to Sanden Complete Conversion Package with all of its components

AC compressor upgrade, AC Hose Kits, Chevy OBS, Chevy OBS AC hoses, Kwik AC bracket, Kwik AC hose kit, R4 to Sanden Conversion, Sanden mini AC compressor

The Ultimate OBS R4-to-Sanden Conversion

Ditch the leaky pancake with our ultimate OBS R4-to-Sanden Conversion kit!

Wayne Powell | June 28, 2026

AC Hose Kits, Chevy C10, Chevy C10 AC Hoses, Chevy OBS AC hoses
Square Body AC: Stop Overpaying for C10 AC Hoses
Until now, you had to pay custom shop rates or attempt a DIY nightmare for C10 AC hoses. No longer. Kwik Performance has engineered a ready-to-bolt-on solution.
Wayne Powell | May 22, 2026