5 something gears, lightened a hair, big convertor, stock class cam 340 degrees or soemthing duration....and heads that are thee most perfect factory castings with thee best 3 valve seat angles ,no sunk valves , even seats to make them proud in the low lift, port volume as advertised...rocker ratio dialed to 1.5 as advertised...., true 10.5 comp, ..thermoquads dialed.........and more importantly...or just as, suspension dialed riding on "big slicks, daddy"