Frustrated with hoods that wont stay put? If the answer is yes then try these new hood springs and see immediate results. Spring measures 6.50" Long and 1.375" O.D. Hood hinge spring. Sold each. 6.50" overall length. 1.375" O.D. For 1967-69 Camaro SS and 1963-64 Nova. Camaros & Classics part number SM4290.