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Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit
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Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit

Supertech
SPTSPRK-A2416-T2Z
01037721243456
Valve Springs, Retainers
3 Units In Stock - Ships Next Business Day
$ 558.78 $ 447.16
$ 447.16

SKU: SPRK-A2416-T2Z / UPC: 01037721243456

Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit 

The Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit, the leader in valvetrain technology. Engineered for enthusiasts who demand the best, this kit delivers unmatched durability, precision, and high-RPM capability, making it the top choice for road racing, drag racing, and high-performance street applications. Outperforming all competitors, Supertech’s cutting-edge design ensures your 2ZZ-GE engine achieves peak power and reliability, giving you the competitive edge to dominate the track or street.

Why Supertech?

Performance: Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs are computer-designed to maintain optimal wire stress levels and controlled harmonics, ensuring stability at extreme RPMs (up to 8,500 RPM with hydraulic lifters). This eliminates valve flutter and prevents catastrophic engine damage, delivering flawless performance under the most demanding conditions.

Lightweight Titanium Retainers: Paired with CNC-machined, military-certified titanium alloy retainers, the kit reduces valvetrain mass, enhancing responsiveness and allowing higher lift camshafts for maximum power output.

Durability: Supertech’s proprietary manufacturing process and high-quality materials provide exceptional fatigue life, making this kit ideal for both track and high-performance street use.

Engineering: With over 30 years of experience, Supertech’s Silicon Valley-based innovation ensures every component is optimized for the 2ZZ-GE engine, offering unmatched quality and value.

Best Choice for Customers: Whether you’re a professional racer or a dedicated enthusiast, this kit is the ultimate upgrade for boosting horsepower, ensuring reliability, and unlocking your engine’s full potential. No other valve spring kit matches Supertech’s combination of performance, quality, and precision.

Included:

The Supertech SPRK-A2416-T2Z Single Valve Spring Kit is a complete solution for a full valvetrain overhaul.

  • 16 Single Valve Springs (Part Number: SPR-A2416):
    • Outer Spring OD: 24.00mm
    • Outer Spring ID: 16.50mm
    • Inner Spring: Single
    • Seat Pressure: 73 lbs @ 38.50mm
    • Open Pressure: 178 lbs @ 10mm
    • Maximum Lift: 12.50mm
    • Coil Bind: 24.90mm
    • Spring Rate: 10.50 lbs/mm
  • 16 Titanium Retainers (Part Number: RET-T2Z/T1):
    • CNC-machined for a precise fit
    • Lightweight titanium alloy for reduced mass and enhanced durability
  • Complete Set for 16 Valves: Covers all intake and exhaust valves for the 2ZZ-GE engine.

Fitment:

This kit is specifically designed for the 2ZZ-GE 1.8L 4-cylinder engine, ensuring a perfect fit and optimal performance for the following vehicles:

  • Lotus Elise:
    • Base: 2005-2011 (2ZZ-GE)
    • R: 2007-2011 (2ZZ-GE)
    • SC (Supercharged): 2008-2011 (2ZZ-GE)
  • Lotus Exige:
    • Base: 2006-2010 (2ZZ-GE)
  • Toyota Celica:
    • GTS: 2000-2005 (2ZZ-GE)
  • Toyota Corolla:
    • XRS: 2005-2006 (2ZZ-GE)
  • Toyota Matrix:
    • XRS: 2003-2006 (2ZZ-GE)
  • Pontiac Vibe:
    • GT: 2003-2006 (2ZZ-GE)

Fitment Years: 2000-2011 (verify engine code 2ZZ-GE for compatibility).

Purchase Details

  • SKU: SPRK-A2416-T2Z
  • UPC: 01037721243456

Warranty: Limited warranty covers replacement or repair of defective products (workmanship or material) upon inspection by Supertech Performance Inc. No express or implied warranties of merchantability or fitness for a particular purpose are provided due to the high-performance nature of the application.

Performance Benefits

The Supertech SPRK-A2416-T2Z kit is the go-to choice for 2ZZ-GE owners seeking to push their engines to the limit. Its reinforced valve springs and titanium retainers stabilize the valvetrain at high RPMs, preventing rocker arm breakage and spring jamming. This kit is ideal for:

  • High-lift aftermarket camshafts
  • Turbocharged or supercharged builds
  • Track-ready setups requiring sustained high-RPM operation
  • Street performance builds demanding reliability and power

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