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A feature image for a blog that explains how to finish your Chevy OBS AC installation with proper amounts of PAG oil and R134 refrigerant

Chevy OBS, Chevy OBS AC hoses, Kwik AC hose kit, OBS AC hoses, Sanden AC compressor

Kwik Performance AC Installer’s Guide

We get questions all the time about PAG oil and R134 refrigerant. Here are some practical rules of thumb for you DIY guys.

Wayne Powell | March 16, 2026

Chevy OBS, Chevy OBS AC hoses, Kwik AC bracket, Kwik AC hose kit, LS3 AC compressor bracket, OBS AC differences, OBS AC hoses
Chevy OBS AC Differences
When we use the term “OBS” (old body style) here at Kwik Performance, we’re generally referring to Chevy half-ton pickups made from 1988-98. Just to confuse the issue, GM continued...
Wayne Powell | August 9, 2024