-19%
Supertech Toyota 20V Manganese Bronze Exhaust Valve Guide 5mm Stem - Set of 8
Click to zoom in

Supertech Toyota 20V Manganese Bronze Exhaust Valve Guide 5mm Stem - Set of 8

Supertech
SPTGDE-T20V-E-8
01037721245232
Valve Guides
1 Units In Stock - Ships Next Business Day
$ 121.82 $ 97.49
$ 97.49

SKU: GDE-T20V-E-8 / UPC: 01037721245232

Supertech Toyota 4AGE 20V Manganese Bronze Exhaust Valve Guide 5mm Stem - Set of 8 

The Supertech Manganese Bronze Exhaust Valve Guide Set (SKU: GDE-T20V-E-8). Engineered for superior performance, durability, and precision, these valve guides are the definitive choice for racers, tuners, and performance enthusiasts. Crafted from premium manganese bronze, this set of 8 exhaust valve guides outperforms all competitors, offering unmatched heat dissipation, reduced friction, and extended valvetrain longevity. Whether you're building a high-revving track monster or a reliable daily driver, Supertech delivers the best solution for your Toyota 4AGE 20V Silvertop or Blacktop engine.

Unlike inferior alternatives, Supertech’s valve guides are precision-machined to exact tolerances, ensuring a perfect fit and optimal valve alignment. The manganese bronze material provides a 3x higher thermal transfer rate than standard materials, making these guides ideal for high-performance applications where heat management is critical. Paired with Supertech’s low-friction black nitrided valves, this set guarantees the smoothest operation and longest service life, even under extreme conditions like drag racing, rally, or road racing. No other valve guide on the market matches Supertech’s combination of advanced materials, rigorous testing, and proven track record.

Why Supertech?

Superior Material:

High-quality manganese bronze ensures exceptional thermal conductivity and wear resistance, outlasting steel or cast iron guides.

Precision Engineering:

CNC-machined for strict dimensional tolerances, reducing valve stem wear and ensuring perfect sealing.

Performance-Driven Design:

Optimized for high-RPM applications, delivering unmatched valvetrain stability and reliability.

Proven Durability:

Extensively tested with top engine builders worldwide, trusted in professional motorsport environments.

Best Value:

Outperforms competitors like Ferrea, Kelford, or OEM guides while offering unmatched quality for the price.

Included:

  • Quantity: 8 Exhaust Valve Guides (complete set for Toyota 4AGE 20V exhaust side)
  • Material: High-quality Manganese Bronze
  • Stem Diameter: 5mm
  • Outer Diameter: 11.03mm (standard size)
  • Length: 47.50mm
  • Part Number: GDE-T20V-E-8
  • UPC: 01037721245232

Recommended Accessories (Sold Separately):

  • Supertech Black Nitrided Exhaust Valves (TEVN-1018)
  • Supertech Valve Stem Seals (VS-TY5E)
  • Supertech Valve Springs (SPR-A2095-ST for Silvertop, SPR-A2095-BT for Blacktop)

Fitment:

  • Make: Toyota
  • Model: Corolla (AE86, AE92, AE101, AE111)
  • Engine: 4AGE 20V (Silvertop and Blacktop variants)
  • Years: 1991–1998
  • Applications:
    • 1991–1995 Toyota Corolla (AE92) 4AGE 20V Silvertop
    • 1995–1998 Toyota Corolla (AE101, AE111) 4AGE 20V Blacktop
    • 1985–1987 Toyota Corolla (AE86) with 4AGE 20V swap
    • Other 4AGE 20V swapped vehicles (fitment may vary; verify engine compatibility)

Performance Comparison

  • Vs. OEM Valve Guides: Supertech’s manganese bronze guides offer superior heat transfer and wear resistance, extending engine life in high-performance builds.
  • Vs. Ferrea Valve Guides: Supertech provides tighter tolerances and better material consistency, reducing friction and improving valve stability.
  • Vs. Budget Alternatives: Unlike cheaper cast iron or low-grade bronze guides, Supertech’s precision machining and premium materials prevent premature wear and valve float at high RPMs.

Installation Notes

  • Professional installation recommended for optimal performance.
  • Ensure proper clearance with dual valve springs or aftermarket valvetrain components.
  • Use with Supertech 5mm Viton valve stem seals (VS-TY5E) for maximum sealing efficiency.
  • Verify fitment for swapped or modified engines.

Request For Information

Have questions about Supertech Toyota 20V Manganese Bronze Exhaust Valve Guide 5mm Stem - Set of 8? Fill out the form below and we'll get back to you by the next business day.
Supertech

Supertech

Supertech engine internals including valves, valve springs, retainers, and valvetrain components are stocked at Black Ops Auto Works for a wide range of import and domestic engine platforms. Shop upgraded parts for BMW M54, Ford and Mazda Duratec, Honda Civic and CR-Z, Nissan KA24, VQ35, and RB26, Toyota 4AGE, 2JZ, 5VZFE, and 2UZ-FE, Volkswagen and Audi EA888 and EA113, Mazda Miata, and Mini Cooper engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 617 Supertech SKUs spanning valves, springs, retainers, and related valvetrain hardware across import and domestic engine families. What This Collection Covers Supertech specializes in precision engine internals for naturally aspirated and turbocharged builds, manufacturing valves, valve springs, retainers, locks, and seals engineered for high RPM durability and improved airflow. This collection brings together fitment verified ...

View Supertech Products
Valve Guides

Valve Guides

Valve Guides for LS, Hemi, Honda K-series and D-series, Toyota 2JZ, Subaru EJ and FA, Mitsubishi 4G63 and 4B11T, Nissan KA and VQ, BMW, Porsche, and Hyundai applications are stocked at Black Ops Auto Works. Shop bronze valve guides, manganese bronze valve guides, intake guides, exhaust guides, oversize guides, cylinder head rebuild parts, and valvetrain hardware for proven street, drag, road course, and high horsepower engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 208 valve guide SKUs across the fitments and build levels enthusiasts actually use. What Valve Guides Cover Valve guides locate the valve stem in the cylinder head so the valve seals, moves smoothly, and transfers heat correctly. This collection includes manganese bronze, bronze, standard-size, and oversize guides for performance cylinder head service. Intake and exhaust guide material Material, wall t...

View Valve Guides Products
Valves & Components

Valves & Components

Valves and valvetrain components for import, domestic, and performance engine platforms are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, and lash caps for Toyota 2JZ and Supra, Honda K-Series, Nissan RB and SR20, BMW B58 and S58, Subaru FA20, Ford Coyote, and GM LS platforms. Every part is filterable by year, make, model, and engine so builders and tuners can confirm fitment before ordering. Black Ops Auto Works carries 1,391 valvetrain SKUs from proven performance brands. What This Category Covers Valves and valvetrain components manage airflow into and out of the combustion chamber and keep the valvetrain sealed and stable at high RPM. This collection spans intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and cam follower shims. Why the Valvetrain Matters for Pe...

View Valves & Components Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×