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HomeMechanical PartsEngineCylinder Head Parts >

Big Valves & Performance Valve Springs

 
Performance Valves and Springs for Alfas and Fiats
Big Valves & Performance Valve Springs

Big Valves and High-Rev Valve Springs
By INTERNATIONAL™

Our superior, fast-flow valve design is dyno-proven to give up to a 7% increase in horsepower. Valves can be used with 45 degree angles recut on your standard seats. An excellent power boost in stock or modified cylinder heads.

Both our intake and exhaust Big Valves are made of stainless steel to our exacting specifications -- the ultimate for improved performance. Stainless valves are more durable and will outlast original-type valves.

High-Rev Valve Springs are made from high-temp, silicone-chrome steel for durability and long life. They prevent valve float at high RPMs. Sold in complete sets.

USA Note: not legal for sale or use on pollution controlled vehicles.

To see what Big Valves & Performance Valve Springs we have available for your Alfa Romeo, Fiat, or Lancia vehicles enter your Year/Make/Model information below.



Enter your car's year, make and model below.

 




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Alfa Romeo Owner's Bible

Alfa Romeo Owner's Bible

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All Technical Bulletins and Tech Tips contained on this website are based on our own experience, and are not necessarily "factory approved." While we make a reasonable effort to verify the information contained in them, we assume no liability for the use or misuse of the information offered.

*Overseas customers please note that our entire website is based on US-spec cars, as sold before the manufacturer left the US market: up to 1985 (Fiat/Lancia) and 1995 (Alfa Romeo). We do not carry parts for current models.