Pressure Switch 79-94 GM AC but are smaller and more

but are smaller and more economical than full-blown race headers & are specifically made for the Alloy head series

you don't pump old congrealed blood back into the heart

Due to weight

Although not carried in stock

THIS one is for those that have a MOTOR BUILT INTO THE WIPER MOTOR- it sucks  fluid though the cap via a plastic pipe that can attach too it

Pressure Switch 79-94 GM AC but are smaller and moreThis is for cars later model cars originally Cycling cut off switch, features two pins out and this unit screws onto the accumulator (the top of the big round alloy barrel). This may come with a plastic surround now arond the connectors.. if you have a connector that does NOT have a plastic surround like pictured below.. an early series switch. trim the new switches black plastic surround down or get a new connector.. ( easier to trim it.) Spec.. On