The FireBall® Series cams are computer designed camshafts. They are manufactured to the industry’s highest quality standards, and are available in various grinds. Most can be used with stock valve springs, in stock or modified engines. Review products and applications. See Installation Instructions. (Instructions requires Adobe Acrobat reader. Download time will vary depending on size of file.) Replacement "H" '70-'77 Camshaft Cam Spec Card 1-0010Regular price: $181.93Sale price: $163.74 FireBall 300 '70-'77 Camshaft Cam Spec Card 1-0101Regular price: $181.39Sale price: $163.25 FireBall 296A '70-'77 Camshaft Cam Spec Card 1-0104Regular price: $187.39Sale price: $168.65 FireBall 308B '70-'77 Camshaft Cam Spec Card 1-0107Regular price: $187.39Sale price: $168.65