sadi is a cast not billet roller,the price differnce is like 25 bucks,if you dont specify this when you order a cam they will send you a sadi cast cam and not the 8620 billet....


70 charger ,all aluminum 528 hemi 727 cope rmvb,680hp 670 tq,full sequential holley hp efi,full hotchkis tvs,qa1 k and lowers,borgeson steering box cass viper 11.75 with cass s-trac dana 3.54