A liquid sodium filled valve transfers heat away from the head towards the valve guide in order to reduce combustion chamber temperatures. This is the valve of choice when rebuilding motors. ...
When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. OEM, Germa...
Exhaust valve for 993 Models from 1994-1995 with M64.05/06/07/08 motors. 8 mm stem, 42.5 mm, weighs .22 lbs. (.1 kg). Sold Individually. 6 Necessary Per Car. When working on your cylinder head,...
Exhaust valve for 993 Models from 1996-98 with M64.21/22/23/24 motors. 8 mm stem, 43.5 mm, weighs .22 lbs. (.1 kg). Sold Individually. 6 Necessary Per Car. When working on your cylinder head, w...
Exhaust valve for 993 Rennsport Models with M64.20 3.8L motors. 8 mm stem, 43.5 mm, weighs .20 lbs. (.09 kg). Sold Individually. 6 Necessary Per Car. When working on your cylinder head, we reco...