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Ferrea Valves Ferrea Valves
Super Alloy/Competition Plus

Subaru

Super Alloy
(marked as "SUPER ALLOY" under reference column below)
Ferrea Super Alloy Valves represent the highest level of sophistication in valve technology. We proudly introduced the next generation of extreme heat resistant valves, specifically developed to withstand the brutal punishment, which is setting the standard for all Turbocharged, Supercharged, Nitrous Oxide, and compression
restricted race motors.

Competition Plus
Ferrea's NEW Import Tuner Valve Program features specially designed valves for use in racing engines that are subjected to extreme exhaust temperatures with Turbo, Nitrous or Supercharger. Ferrea uses a Special Alloy designed specifically for this application.
 
Subaru WRX EJ20 2001-2008
Part # Type Head
Diam
Stem
Diam
Overall
Lenth
Tip
Length
References Price
Per Valve
Buy Now
F1968P E 32 mm 5.96 mm 104.75 mm 3.5 mm 25° Flo Stock size.
(Super Alloy)
$35.79
F1966P E 33 mm 5.96 mm 104.75 mm 3.5 mm 25° Flo +1mm oversize. 
(Super Alloy)
$35.79
F1967P I 36 mm 5.97 mm 104.6 mm 3.5 mm 19° Super Flo Stock Size $25.50
F1965P I 37 mm 5.97 mm 104.6 mm 3.5 mm 19° Super Flo +1mm oversize $25.50
 
Subaru WRX STI - 2004-2008
Part # Type Head
Diam
Stem
Diam
Overall
Lenth
Tip
Length
References Price
Per Valve
Buy Now
F1514P E 32 mm 5.96 mm 104.75 mm 3.5 mm 25° Flo Stock size. 
(Super Alloy)
$31.99
F1519P E 33 mm 5.96 mm 104.75 mm 3.5 mm 25° Flo +1mm oversize. 
(Super Alloy)
$31.99
F1520P I 36 mm 5.97 mm 104.6 mm 3.5 mm 19° Super Flo Stock Size $26.69
F1524P I 37 mm 5.97 mm 104.6 mm 3.5 mm 19° Super Flo +1mm oversize $26.69
 
Subaru 2.5L EJ25D 1996-98
Part # Type Head
Diam
Stem
Diam
Overall
Lenth
Tip
Length
References Price
Per Valve
Buy Now
F1937P E 30.5 mm 5.96 mm 122.3 mm 4 mm 21° Flo Stock size. 
(Super Alloy)
$26.69
F1969P E 30.5 mm 5.96 mm 122.3 mm 4 mm 21° Flo Stock Size $26.69
F1938P E 31.5 mm 5.96 mm 122.3 mm 4 mm 21° Flo +1mm oversize. 
(Super Alloy)
$26.69
F1957P E 31.5 mm 5.96 mm 122.3 mm 4 mm 21° Flo +1mm oversize $26.69
F1939P I 35.04 mm 5.98 mm 121 mm 4 mm 19° Super Flo Stock Size $25.50
F1940P I 36.04 mm 5.98 mm 121 mm 4 mm 19° Super Flo +1mm oversize $25.50
 
 

Matt Hartford's Pro RWD Summit Chevy Cavalier
chooses nothing but Ferrea Valves and Components
to be the 2002 NHRA Summit Modified Champion!
 
 
 

Order/Tech Line: (603) 378-0090
Email: info@importperformanceparts.net


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