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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
The springs are compression tested through over 500
Proven to handle 250bhp
Additional available with racing top mounts
yet offering the desirable atmospheric blow-off valve sound
S-U-MM-I-T Racing Equipment
Ford Duratec 2.0 & 2.3 16v Supertech Inconel Exhaust Valve Kit (Turbo Use) Hel The springs are compression testedMade as a one piece forged valve for higher strength and reliability, Supertech use mostly EV8 (21 4N) for Intake and Exhaust valves but there are other alloys that we use along with different heat treatments to manufacture valves for different applications. Black Nitriding: This is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese