TAs engineering team spread the valve center lines which allows for larger intake ... require a raised runner intake manifold from our SP-2 series. Use of these heads ... rocker set due to the re-located valve centers. On 11:1 Compression engines out of the ... is not an issue When the purchase of headers, rockers and an intake are not ...
, the Stage 4 heads do require the use of a roller camshaft with offset (TA 1414 ... require a raised runner intake manifold from our SP-2 series with additional port ... custom made sheet metal manifold. Use of these heads does require Stage 2 style ... rocker set due to the re-located valve centers and repositioned intake pushrods. On 11 ... :1 Compression engines out of the box performance is usually 80+ HP ... is not an issue - When the purchase of headers, rockers, intake, etc are not ... 3.00 GBT001S 1/2 outside diameter stainless tube for V6 head ...