Page 13 of Buick Performance Parts Catalog by TA Performance

Intake Exhaust PRICING Assembled $2650.00 Bare Castings $1495.00 TAs most popular race cylinder head. TAs engineering team spread the valve center lines which allows for larger intake and exhaust valves to be used, resulting in increased flow through the entire RPM range. A closed combustion chamber design which measures 58 ccs increases the compression ratio without having to use a domed piston, which reduces rotating weight. Ported Stage 3 Heads flow almost 385 CFM at high lift and an amazing 340 CFM at .500 ! Stage 3 exhaust ports can be ported to 270+ CFM. Stage 3 heads require a raised runner intake manifold from our SP-2 series. Use of these heads does require Stage 2 style headers. Headers or manifolds used on Standard, Stage 1 or TAs Stage 1 aluminum heads will not work. Stage 3 heads also require a unique roller rocker set due to the re-located valve centers. On 11:1 Compression engines out of the box performance is usually 80+ HP. These heads can support pump gas combinations up to 700+ HP and race combinations up to 900+ HP. Stage 3 Primary Use: When the desired performance requires a race level head When Hood clearance is not an issue When the purchase of headers, rockers and an intake are not an issue When 11:1 or more compression is desired Ask about other upgrades such as even larger 2.300 Intake Valves! Stage 3 Tall Port Port Configurations Rod Hendrickson Yorkville, IL 523 cid (Buick 455 bored and stroked), 8:71 Supercharger, Alcohol Injected, Stage 3 Heads, TA 4 Bolt Main (conversion) Block w/ girdle halo. TA 1533A HP Oil Pump Assembly. 1300+ HP. Best run to date: 7.59 181 mph, 1.09 60. V8 CYLINDER HEADS www.TAPERFORMANCE.com TA Performance Products, Inc. 480-922-6807 Order and Tech Line 13 TA Four Bolt Main Conversion TA 1533A TAs HP Oil Pump Assembly Supports even the most Radical Combinations!

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