ANDREWS A2 nokka
.450" valve lift.
Street.
More midrange and top end power, smooth idle.
Should install with no headwork (excl. 80-81 models).
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