Check it out here:
https://www.eastwood.com/70-81-gm-f-body-qa1-stocker-star-shocks-single-adjustable-rear-ts702.html
QA1 offers stock mount aluminum adjustable shocks for 70-81 Camaro/Firebirds. Double, single, Drag ''R'' Series and non-adjustable valving allows for your choice of ride quality. With its smooth look, high performance handling and unbeatable price, you can't go wrong with a QA1 smooth body shocks. These lightweight billet aluminum smooth body shocks are made in the USA and offer easy, bolt-in installation. They are 100% dyno tested and serialized and serviceable and rebuildable by QA1 authorized service centers.