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Supertech Valves VW Audi Golf Jetta A4 1.8T AEB 5v STD Size 20v Stainless Coated for Sale


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Supertech Valves VW Audi Golf Jetta A4 1.8T AEB 5v STD Size 20v Stainless Coated

Price: $356

This item has been shown 948 times.

Click HERE for more information about this part.

Brand new in the packagingBlack NitrideCoatedSupertech PerformanceDished Face Valves. This set will work in anyVW, Audi 1.8T, 5v /cylEngine, they areSTD Size for your high flowing cylinder head application.

Only the best materials are used in the creation of Supertech Performance's valves. Ready to handle whatever abuse you can throw at them. Perfect for forced induction applications and high revving naturally aspirated applications.

This is for a complete set of20 valves (12 intake, and8 exhaust)

part # AIVN-1103--intake --STD Size

Intake Valve Specs -- 26.90mm Head Diameter,5.96mm Stem Diameter,105.09mm Length

part #AEVN-1103-- exhaust --STD Size

ExhaustValve Specs --29.90mm Head Diameter,5.94mm Stem Diameter,103.90mm Length

  • Benefits for Black Nitride Coating includes: - The micro hardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrated layer (micro hardness is 800hv minimum)
    - Surface finish is smoother than with chromed valve stems, having less friction between the stem and guide.
    - Valve seat surface is harder with the nitrated layer, lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Mathes any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
    - Higher RPM 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 nitrated layer is adhered to the base material at microscopic level, so it will not "flake" or brake 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, a hardened tip, and more.

Please ask any questions you may have prior to offerding. We offer a full line of high performance auto parts.

Call 407-324-4684 for quickest response.


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1978 Volkswagen Golf : 8.652 @ 159.010
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