your 400-430-455 engine are with TAs aluminum cylinder heads, without question! We ... offer multiple cylinder heads to fit every performance combination. ... TA heads are cast from 356 aluminum and heat treated to T-6 specification ... TA Performance has been manufacturing cylinder heads for nearly 20 years and have ... will continue to update and expand our cylinder head offering. By doing so, Buick Big ... Block powered cars utilizing TAs aluminum cylinder heads will continue to out ... community. Stage 1 SE Stage 1,2,3 4 Aluminum Cylinder Heads 400-430-455 Street Strip ... Cylinder Heads 1 2 4 5 3 On 400 cid engines, 2.000 Int ... . and 1.650 exh. are used due to bore size. 2.250 Intake valve ... on pollution controlled vehicles. All heads have the original type bolt pattern on ...
225-231-252 V6 Aluminum Heads In continuation of pushing the ... Turbo V6, we have developed a line of aluminum cylinder heads for street and/or race ... in two versions, both of these heads were designed to out perform ... previously available heads both in power and quality. ... , Stock, BGC Port Matched Same as stock Heads Same as stock Heads Stock, TA 1309, T ... Indicates the potential based on the cylinder heads ability to flow, as well as the ... in order to withstand the associated cylinder pressures. Amount of boost, fuel and ... Intake valve and FULL porting Assembled heads include standard valves, springs, ... tap cuts the metal, the roll taps used with our heads form the thread which ... stronger thread due to hardening of the aluminum during this process. Ideal for header ...