Fits: Small Block Chevy Canfield 220 Head .150 Offset
Special Notes:
- Pre 1974 heads must install a straight 7/16 or 3/8 rocker stud in place of the factory bottleneck style.
- 1974 to 1991 must machine head for guide plates and drill & tap for 7/16 or 3/8 rocker studs.