These are valves that I have taken out of my Blue Thunder high riser heads. I originally ordered them as custom valves from Manley. I've replaced them now with hollow stem Ferreas, so I no longer need these valves. Specifications are as follows:
Intakes: 11/32 stem, 2.300" head diameter, 5.625" overall length, 0.260" tip length, 12 degree stem to back of head angle, cut for a 50 degree valve seat, .060" margin, weight 156 grams. If I recall correctly these were originally ordered with a blank from Manley's race series.
Exhausts: 11/32 stem, 1.750" head diameter, 5.625" overall length, 0.260" tip length, 25 degree stem to back of head angle, cut for a 50 degree valve seat, .080" margin, weight 124 grams. If I recall correctly these were originally ordered with a blank from Manley's severe duty series.
These valves have never been run. They were assembled on the heads for four years, but were not ever run. I have over $500 invested, and want to get $275 for the set. Email me at jayb@fepower.net for more info. Pictures below:
