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Exhaust valve 30,5mm (+1) / 101,2mm Inconel Toyota SCION TC 2AZ-FE



34,18 €
incl. 19% VAT , plus shipping costs
instead of: 35,97 €
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Status:
will be reordered for you**

Exhaust valve Toyota / Inconel

Toyota Scion TC 2AZ-FE

Supertech TEVI-1037

Measurements:30,50mm x 5,46mm x 101,20mm
Make:Toyota
Model:Toyota Scion TC 2AZ-FE
Series:Scion tc
Type:Exhaust
Material:Inconel
Head diameter:30,50mm (+1)
Stem diameter:5,46mm
Length:101,20mm

Recommended accessoires
Valve springs:
SPR-TS2081/TC
SPR-TS1015/TC
Valve guides:
GDE-TS55-E
Tappet:
CF-31/2.5+
Valve seals:
VS-T5.5-E

Valve wedges (keepers, valve locks) are not included. Matching valve keys are available here .

Manufacturing
Production of Supertechs racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depenting on the application). Lastly there is one more grinding done by Spertech, followed by their patented Superfinishing of the surface to ensure that each valve is free of any imperfections and the dimensions are precise.

Technology
Supertech applies more than 30 years of experience in the development of each and every Supertech racing valve we sell. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Anaysis (FEA) and it is no wonder why Supertech has some of the best performance products on the market.
While this is more than most manufacturers Supertech doesn't stop there. They also do extensive testing working very closely with many of today's top engine builders in order to continuously improve their products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.

Higher Flow Rates
Supertech's valves are not finished from generic blanks rather they are specifically designed for each and every application. They work relentlessly, testing and researching every aspect trying to improve the air flow of their designs.

Durability
With every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc.

Stem Super finishing
In 2006 Supertech introduced the stem Superfinishing as a standard addition to all of their valves and provided it at no additional cost. When the Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1/3 of the chrome coated valve. The end result… unsurpassed performance and durability.

Strict dimensional tolerances
It's unlikely you will find any of Supertech's competitor’s valves with stricter dimensional tolerances than the Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!

Supertech uses different types of coating:

CHROME COATING:
Widely used in high performance valves.

BLACK NITRIDE:
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 applications. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum). Surface finish is smoother than with chromed stems, having less friction between stem and guide. Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction. The nitrided layer is adhered to the base material at a microscopic level, so does not "flake" or break when the valves bend due to impacts with the pistons. The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem. All valves are swirl polished, have stem undercut and a hardened tip.

INCONEL 751 - NICKEL BASE ALLOYS:
This Nickel base alloy material is used for exhaust valves in engines that reach very high temperatures and its use is growing with the application of turbos and superchargers.

TITANIUM VALVES:
The Titanium valves are forged from one piece high temperature Titanium alloy.
Yellow Titanium Nitride
Chrome coating.

YELLOW TITANIUM NITRIDE (TiN):
This coating is applied by PVD (Physical Vapor Deposition) providing the valve with a very hard, frictionless protective coating, tested and approved by many important engine builders worldwide. We have developed the application of the Titanium Nitride coating like very few others, by PVD (Physical Vapor Deposition), with such a quality, that provides the valve with a very hard and smooth, frictionless protective coating. It has been tested and approved by many important engine builders worldwide.This coating works very well with the Manganese Bronze valve guides and for engines with bucket type tappets there is no need of a welded or pressed tip, consequently eliminating the risk of breakage.

Features
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