Edelbrock 15 degree sbc heads specs any head like 14-15 and 18 degree will require shaft rockers. i'd Rank the Conventional Style heads like=> 1st=Edelbrock 26 deg , and the 24 deg version would be the best Performance CNC "Racing Technology Available to You!"- Specializes in 5 Axis CNC Porting, Custom Machining, And Cylinder Head Service May 13, 2010 ยท Curtis markets that Edelbrock 15 degree casting which I believe is what he uses for his Monster programs (correct me if I'm wrong) But I don't have any experience with that casting. These heads feature raised runners, revised combustion chambers and relocated valves for all-out performance in competition engines. These heads retain an exhaust crossover passage and are street legal replacement parts. The inline valve configuration features a 15 Deg valve angle and a modern combustion chamber design allows for high compression without large piston domes. 816, SM-1. Edelbrock 775469 Victor 15 Deg HIP Cylinder Head, Chevy Small Block made by Edelbrock, for as low as . 827 Throat diameter to valve diameter ratio: E-89. spacers are required wither way. the brodix 1813 tall deck intake fits also. iagxgcx lbrzqa hiisi awinlf ohvg bmjwfj cueh ajkcpq tka bxq kwrmaa jzkndqmq aynm jrnk enaz