QA1 96-04 Ford Mustang 4.6L Tubular K-MemberQA1's tubular K members are designed for weight savings, improved geometry and as a bolt in swap for the factory K member. , , Bolt In Design, All mounting points have been digitally indexed from new, factory K members., Made from High Quality American Made HSLA Steel, Weight Savings, At over 50% lighter than the stock K member, the entire QA1 K member weighs only 25lbs.!, Increased Header Clearance, Header and oil pan clearance maximized for easier