PERFORMANCE
DIESEL

Pontiac
6-5/8" Pontiac 389, 400, 421, 428 & 455
Part #: 650401

4 Bolt pattern on 3.300 bolt circle
Pulley holes must be re-drilled. 1969 & up timing cover may be required on early models.
Internally Balanced
Black Zinc Finish
6-1/4" Iron Duke 4 Cylinder
Part #: 620101

151 CID (2.5 Liter)

Internally Balanced
Black Zinc Finish