The Victor 454 Series (R, O and TD) for big-blocks offer superior performance for drag racing and marine. Victor 454-R is for rectangular-port heads and 454-TD fits the same heads when a tall-deck block is used. Victor 454-0 is for engines with large oval-port heads (1975 & earlier). They accept 4500 Series carbs or standard-flange double-pumpers with our adapter # ED8716. For maximum hp with 4500 Series carbs, use 1" spacer # ED8717. Victor 454-TD uses standard deck height distributor. # ED2907 and # ED2911 will fit Edelbrock Victor race heads # ED77659, # ED77409, # ED77459 and Victor Jr. # ED60409. Made in USA

Product Reviews for ED2909 - EDELBROCK