GESSLER HEAD PORTING, Quadrajet and Buick Parts - hide BUICK PARTS - GHP-4312 Buick Performance Parts / Q-Jet parts

+ Large Image	GHP-4312	Cylinder Head - Exhaust crossover passage plugs. These plugs block the passages located in the center exhaust ports on the Buick 400, 430, 455 cylinder heads. Blocking these passages, eliminates the hot exhaust gases from traveling beneath the intake and heating the manifold. Not recommended for daily drivers in cold climates. Only use these plugs on 1967-1971 heads. Contains: 4 plugs Note: 2 plugs required per head



	Application:	1967-1971 Buick 400, 430, 455