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733 Review
31 Karma

Review on Opall Governor 1988 1993 Cummins Injection by Anthony Hales

Revainrating 3 out of 5

4 Star Fuel Pin 3 Star Spring

The fuel pin seems to have given my 91 D250 a bit more low end power but the adjuster spring seems to be the same as the stock spring which the truck still adjusts at 2700rpm.

Pros
  • Package Contents ->> 1 Fuel Pin, 1 Governor Spring, 1 Throttle Shaft O-Ring and 1 Piston Bolt Nut.
Cons
  • Guard