The problem with the 5hp briggs, or raptor is the block strength. The block blows up from the regular flathead design. The OHV conversion adds more static compression. Which means more stress on the parts.
im with him i saw it some were maby clements but it was an OHV conversion kit for like blockzillas or similar drag blocks it was all billet to on a side note a raptors is an aluminum can compard to a 10 to 1 compres ratios itd bloc the clyinder clean to the moon :xmas-smiley-016:
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