HQ-1625  exhaust valve 1.625" head, .3095" stem diameter, used on stock valve seats.

HQ-1900 .060" oversize intake valve 1.900" head, .310" stem diameter. Can be used on stock valve seats
 

HQ-1480  exhaust valve 1.480" head, .3095" stem diameter.

HQ-1715  intake valve 1.715" head, .310" stem diameter. 

These valves are tulip shaped to increase flow and port velocity. They are direct replacements for a 1200 heads and cane be used in 883 head castings.

HQ-1750 exhaust valve 1.750" head, .375" stem diameter.

HQ-1950  intake valve 1.950" head, .375" stem    diameter. 

These are high performance valves and a direct replacements for all Shovelheads. The exhaust may be used as a Panhead intake or exhaust valve OR the intake can used as an oversized Pan intake valve.