Oil Pump Spring Kit - E.R.T. Products SP-1 - Big Twin 1966-1991

E.R.T. Products #: SP-1

Super pump spring kit is the answer to low oil pump pressure.

This super kit includes 3 color coated springs. Each spring applies more pressure on the relief valve plunger. Output pressure is blue 20PSI yellow 24PSI and red 28PSI.

Fitment:

Installation instructions (PDF)