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.) FireBall 300 '66-'69 Camshaft Cam Spec Card 1-0100Regular price: $185.13Sale price: $166.62 FireBall 296A '66-'69 Camshaft Cam Spec Card 1-0103Regular price: $191.03Sale price: $171.93 FireBall 308B '66-'69 Camshaft Cam Spec Card 1-0106Regular price: $191.03Sale price: $171.93