QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# MGLK Ball joints have hardened pins

Ball joints have hardened pins with stock type housings and are not rebuildable

and Steel stock car bodies

1980-1986 GMC C6000

It's designed to fit with the stock intake manifold

Suburban 1500

QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# MGLK Ball joints have hardened pinsQA1's Mustang II Pro Coil Kits feature polished and chrome plated springs. They have a 3. 5" upper I. D. and 2. 5" lower I. D., these springs have an 8" free length and are offered in four rates. Made with the highest quality materials, QA1'springs are strong, consistent and have a long life. All QA1'springs come with a lifetime guarantee to remain within 2% of their original free height and rate, so you know you're getting quality springs with QA1.