View Full Version : Mystery Valves.
moparman76_69
01-25-2017, 10:15 PM
I'm just looking for someone to confirm these part numbers for me
P4529824 and P4529825 - Stock size backcut S/S swirl head valves?
P4349145 - +1mm G head intake.
P4876670 - G head big exhaust valves, needs oversize seat.
http://i.imgur.com/3liK6nc.jpg
http://i.imgur.com/dnaMV2a.jpg
4 l-bodies
01-26-2017, 01:32 PM
P4349145 - +1mm G head intake.
These are 2 piece valves like stockers, but +1mm. Not back cut. Nothing very fancy.
P4876670 - G head big exhaust valves, needs oversize seat.
These appear to be made in Argentina, or at least the ones I have are. 1 square tip groove, not multi-groove. Stainless, tulip, swirl polished. Appear to be pretty nice valve.
Todd
I can confirm these, but not top two #'s.
Todd
2.216VTurbo
01-26-2017, 01:57 PM
I have a set of +1 G head valves, I'll have to dig them out to confirm but I think the EX valves are multi groove so they made them both ways then. Their new in the plastic but it's little cellophane bags so I don't think I have part numbers for them.
moparman76_69
01-26-2017, 11:46 PM
P4349145 - +1mm G head intake.
These are 2 piece valves like stockers, but +1mm. Not back cut. Nothing very fancy.
P4876670 - G head big exhaust valves, needs oversize seat.
These appear to be made in Argentina, or at least the ones I have are. 1 square tip groove, not multi-groove. Stainless, tulip, swirl polished. Appear to be pretty nice valve.
Todd
I can confirm these, but not top two #'s.
Todd
So will I need new keepers to run the exhaust valves? My spring compressor broke last time I used it so I planned on having the machine shop install everything after cutting the seats.
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