ANDREWS F nokka
.450" valve lift.
Basicly an 'A' grind cam, but with delayed timing to help eliminate 'pinging'.
More power than stock cam.
Should install with no headwork (excl. 81-82).
Note: For 81-82 models.
The height of original stock H-D valve guides restricts spring travel (and valve lift) to .430" or lower.
Sopii:
Harley-Davidson L77-84 Shovelhead