Originally posted by demetrice askew
can anybody give me a good combo with the things i have
I AM SORRY THESE HEADS ARE WAY TO BIG.ON OUR 421/434'S WE TURN TO 7,500 OR SOMETIMES MORE THIS IS THE PORT VOLUME WE USE IF WE RAN ON A TRACK THAT MAKES US RUN THE STD.HEAD STYLE.LIKE RICHARD SAID I WOULD TRY AND SELL THEM.LOOK SOMETHING AROUND THE 170 CC SIZE.LOOK FOR A CAM WITH A DURATION OF 215 ON THE INTAKE SIDE.