QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# HAV733003 Under the stainless steel terminals

Under the stainless steel terminals of the MSD cap and rotor is an easy-to-adjust mechanical advance assembly

Axle C-Clip

Peterson's Splined pulleys are made to work with our popular spline drive setup

corrosion resistance and strength

Can be used to trigger popular TBI fuel injection systems

QA1 Mustang II Coil-Over Spring - 2.5/3.5 x 8 600# HAV733003 Under the stainless steel terminalsQA1'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.