Stainless Steel Intake Valves

Undercut and swirl polished heads for increased flow.
Stainless steel intake valves. Many upper echelon engine builders shy away from hollow valves for that reason in endurance nascar or 24 hour style racing. Our intake valves are made exclusively from an enhanced versions of ev8 21 4n steel. Our exhaust valves are made from ev16 21 8n or ev8 nb w for greater strength at higher temperatures. Hollow stem valves tend to work great on the intake side but are much more difficult to manufacture and to inspect for defects on the i d.
We offer stainless steel valves and titanium valves from several manufactures including manley valve ferrea valve milodon speed pro sealed power ferrea rev valves and more. The custom series includes steel stainless steel inconel or titanium offerings. Si maintains an inventory of popular blanks and can finish them off to your specifications providing you with truly custom sized valves at very competitive pricing. These are high strength one piece stainless steel valves that are priced for a claimer motor but superior to most mid priced valves.
These valves can be used in drag and oval track racing applications. This is the highest grade of steel available and provides the strength to withstand just about any application. Choose from a variety of diameters from 945 inches all the way up. Welcome to the new racing engine valves super store.
Includes forged one piece stainless steel intake valves wound chrome silicon heat treated wire valve springs ultra light titanium retainers and hardened steel bases. 732 905 3010 a manley valve for every application choose from one of five series of stainless valves performance series stainless steel xh 422 exhaust and nk 840 intake chrome stems and hard tips swirl polished and fully machined stock and 100 longer lengths available street series stainless steel xh 424 exhaust and nk 841 intake. Larger runs can be private labeled at the factory. Stainless steel valves are most common in street and mild performance.
Extend the life of the valvetrain and intake components by as much as 4x over the oem titanium parts. We cater to many categories of racing and performance such as drag racing circle track road racing tractor pull and vintage ferrari valves just to name a few these. We are adding new web pages dedicated to high performance automotive engine valves and racing valves for each engine make and size to give you another way of. Features a chrome stem and hardned tip.
Our selection includes stainless steel intake and exhaust valves from companies like manley afr chevrolet performance ford racing dart edelbrock and more. For the better part of 24 years in business rev has been designing and manufacturing our industries top quality competition plus valves and other top shelf racing components. For small block chevy.