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Ferrea Valves Super Alloy/Competition Plus Mitsubishi 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.

Mitsubishi 3000 GT 3.0L - DOHC 24V (6G72-TURBO 6G72T) - 1990-2001

Part # Type Head Diam Stem Diam Overall Lenth Tip Length References Price Per Valve Buy Now F1853P E 30.5 mm 6.55 mm 105.5 mm 3.8 mm 25° Flo Stock size. (Super Alloy) $25.50 F1854P E 31.5 mm 6.55 mm 105.5 mm 3.8 mm 25° Flo 1mm oversize. (Super Alloy) $25.50 F1851P I 35 mm 6.57 mm 106.35 mm 3.8 mm 25° Super Flo Stock Size $24.50 F1852P I 36 mm 6.57 mm 106.35 mm 3.8 mm 25° Super Flo 1mm oversize $24.50

Mitsubishi Eclipse GS-GST 2.0L - DOHC 16V (4G63-4G63T) 1990-99 Mitsubishi EVO8/9 1990-2007

Part # Type Head Diam Stem Diam Overall Length Tip Length References Price Per Valve Buy Now F1825P E 30.5 mm 6.55 mm 109.7 mm 3.8 mm 22° Flo Stock size. (Super Alloy) $25.50 F1454P E 31.5 mm 6.55 mm 109.7 mm 3.8 mm 22° Flo 1mm oversize.  (Super Alloy) $25.50 F1826P I 34 mm 6.57 mm 109.7 mm 3.8 mm 20° Super Flo Stock Size $24.50 F1452P I 35 mm 6.57 mm 109.7 mm 3.8 mm 20° Super Flo 1mm oversize $24.50

Mitsubishi Lancer Evolution 2.0L - DOHC 16 Valve (Turbo 4G63T) - 2024-2007

Part # Type Head Diam Stem Diam Overall Length Tip Length References Price Per Valve Buy Now F1825P E 30.5 mm 6.55 mm 109.7 mm 3.8 mm 22° Flo Stock size $25.50 F1454P E 31.5 mm 6.55 mm 109.7 mm 3.8 mm 22° Flo +1mm oversize $25.50 F1826P I 34 mm 6.57 mm 109.7 mm 3.8 mm 20° Super Flo Stock Size $24.50 F1452P I 35 mm 6.57 mm 109.7 mm 3.8 mm 20° Super Flo +1mm oversize $24.50

Matt Hartford's Pro RWD Summit Chevy Cavalier chooses nothing but Ferrea Valves and Components to be the 2024 NHRA Summit Modified Champion!

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