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 ... , durability, serviceability and valve train alignment. Painstaking detail ... (max) Int./Exh. CFM (base) Int./Exh. Valves Int./Exh. Application Power Potential ... factors. Optional 1.940 or 2.020 Intake valves available. Must chamfer bore on 3.8 ... blocks for 2.020 With 2.020 Intake valve and FULL porting Assembled heads ... include standard valves, springs, keepers, retainers. 3 3 3 4 5 ... /refinement include: - a raised valve cover rail which allows better ... clearance for roller rockers with OE valve covers. This enhancement also reduces ... down the side of the head when the valve covers are removed. - all threads are ...
of bolts for your big block Buick. Allows you to retorque your cylinder ... without removing the rocker arms or valve springs because of our reduced 9/16 hex ... -455, fits Standard Stage 1 Iron or TA Aluminum heads.. 60.00 TA 1129AL 400-430-455, ... fits TA Aluminum Stage 1 heads ... bolts TA 1129X 400-430-455, fits TA Aluminum Stage 1 heads ... item has a 455 part number it probably covers the 400 and 430 as well. Also in many ... V6 applications, such as the 215,225,231,300,340. We have made every attempt to note when ...