They are Proform 750's except for the side hung Holley fuel bowl's

cam specs : 255/267 @.50 .640 lift int and exh C/L 104 LSA : 108 I/C : 51.5 RPM range: 2900-6800 (1/2 mile oval track cam) springs: comp cam # 943-16 spring rate : 551 installed @ 1.950 seat psi : 212 open psi @ .640 565 went light on the psi due to, I plan on driving it on the street and try to save the valvetrain from being beat up.. just locked out the dizzy out today.. it wants more timing to clean up the idle mixture.. I got a retard box so ill use that to fire her up.. and see.. looking for a newer programable retard box.. not this classic msd one chip I got.. thanks for asking ! I don't have time to do real KZfaq videos.. I work to much.. need the money to build a race car... :)