QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 700# H776C01XS The coating looks great and

The coating looks great and keeps more heat in the tubes

Shock Valve

Cylinder Heads Off

LSM Spring Machines

QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 700# H776C01XS The coating looks great andQA1'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.