GESSLER HEAD PORTING, Quadrajet and Buick Parts - hide BUICK PARTS - GHP-4006 Buick Performance Parts / Q-Jet parts

+ Large Image	GHP-4006	Adjustable Oil Pressure Regulator Used to regulate oil pressure by increasing the tension on the relief spring. It allows for quick and easy external oil pressure adjustment without having to change springs or add shims. This is the safest and most accurate way to increase or decrease oil pressure in any Buick engine.

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	Application:	All Buick engines with external oil pump

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