I have a set of trilogy injectors and contacted Heron and Brian about this. For the time being, I need to source my own. It is the o-ring/gasket that the red line is pointing too, and is colored in. Local stores are no help to me without an item number or car model : (   http://s18.postimg.org/3prkeno05/image.jpg

Used red silicone heater hoses. $20 shipped.   http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1547.jpg http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1548.jpg

Came on a parts car. Previous owner says it has oversized valves and is ported. I'm selling this as-is since I never ran it and i'm not 100% sure. I will include a set of arp head studs. $160 + shipping.   http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1546.jpg http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1543.jpg http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1544.jpg http://i186.photobucket.com/albums/x313/gtxthunder/IMG_1541.jpg http://i186.photobucket.com/albums/x3

Have an 89 quest trying to replace rear brake pads. Cant seem to get the pistons to go back in to replace pads. Most of the ones ive ever done just push in. Do these push in or twist don't want to break them