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1UZ VVTi upgraded valve springs

SuperTech VVTi UZ Valve Springs 1UZ 2UZ 3UZ Head Valve Spring and Retainer Kit

To go with your SuperTech UZ valves, you'll want these SuperTech springs as well! Please note these are not for 1989-1997 1UZ heads. They are single valve springs, so they are lighter and get the job done just as well!

☼ Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high RPM, and better memory.

☼ Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.

☼ Computer software also allows us to make sure that the harmonics are well under control.

☼ The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Type: Single Spring
Press.Seat: 80 @ 35
Press.Open: 130 @10
Max Lift: 12.00mm
Coil Bind: 23.00mm
Rate: 5.00mm
Retainer: RET-TU24/T1+(OEM Shim under bucket)
Spring OD: 24.50mm
Spring ID: 17.90mm

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  • $795.93
    • SKU
    • Weight
      5 lbs

Most product ships from either the manufacture or largest wholesale location to pass the saving to you. Most orders will ship via UPS, as we will be able to provide the best rates and have had the least issues when using UPS.

IF YOU DO NOT LIKE THE AUTOMATED SHIPPING CALCULATOR'S RATES, PLEASE CONTACT US AND WE CAN GET YOU A BETTER ONE! Especially for anyone outside the USA, please contact us with a list of parts you'd like to order, and where you are located.

We accept the following payment methods:

Also Venmo and unmarked nonsequential dollar bills

  • Fitment Type
    Vehicle Specific
Toyota/LexusLexus LS/Celsior1998-2000 UCF20/21 LS400/Celsior1UZ-FE VVTi 4.0 V8
Toyota/LexusLexus LS/Celsior2001-2005 UCF30 LS430/Celsior3UZ-FE 4.3 V8
Toyota/LexusLexus GS/Aristo1998-2005 S1601UZ VVTi 4.0 V8 (1998-2000) UZS160
Toyota/LexusLexus GS/Aristo1998-2005 S1603UZ 4.3 V8 (2001-2005) UZS161
Toyota/LexusLexus SC/Soarer1992-2000 Z301UZ-FE VVTi 4.0 V8 UZZ30 (1998-2000)
Toyota/LexusTundra2007-2021 2nd Gen2UZ-FE 4.7 V8
Toyota/LexusTundra2000-2006 1st Gen2UZ-FE 4.7 V8

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