QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# Transmission Cooler Fittings we look at every aspect

we look at every aspect of design

upper control arm angles can be adjusted

Also fits Chevrolet Camaro

MSD has provided the components to fire nearly anything in motorsports

Bell has developed a carbon chin bar guard for the RS7 helmets

QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# Transmission Cooler Fittings we look at every aspectQA1'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.