SKU: 2061-12 | UPC: GSC2061-12
GSC P-D Toyota 2JZ-GTE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 12 | Fits 1993-2005 Lexus GS300, IS300, SC300 & 1993-1998 Toyota Supra
GSC Power-Division set of 12 chrome polished exhaust valves fits Toyota 2JZ-GTE engines in 1993-1998 Supra Twin Turbo and Base models plus 1992-2000 Lexus SC300, 1993-2005 GS300, 2001-2005 IS300 Base, 2002-2005 IS300 Sportcross. The 29mm standard head diameter and 23-8N stainless material ensure reliable exhaust flow under high heat and boost in modified builds. One-piece forged design supports aggressive valvetrain use for consistent performance.
Key Features
- Chrome Polished Face: Polished chrome pulls heat from combustion chamber faster and resists carbon buildup for extended valve life.
- 23-8N Stainless Material: High-strength 23-8N steel resists heat fatigue and maintains shape under extreme boost pressure.
- 29mm STD Head Diameter: OEM-match sizing for drop-in fit while allowing increased airflow in tuned 2JZ-GTE engines.
- 8mm Stem Diameter: Precision-ground stem provides smooth action in stock or aftermarket guides with low wear.
- One-Piece Forged Design: Forged construction removes weak points for strength during high RPM and valvetrain stress.
Product Notes
- Valves require professional valve job for proper seating and longevity.
- Inspect valve springs and retainers for compatibility during rebuild.
- Set includes 12 exhaust valves packaged in protective sleeves.
Installation Notes
- Professional installation recommended.
- Valve lash adjustment required after installation per engine specs.
- Compatible with stock heads and most aftermarket valve seats/guides.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2005 | Lexus | GS300 | Base |
| 2001-2005 | Lexus | IS300 | Base |
| 2002-2005 | Lexus | IS300 | Sportcross |
| 1992-2000 | Lexus | SC300 | Base |
| 1993-1998 | Toyota | Supra | Base |
| 1993-1998 | Toyota | Supra | Twin Turbo |
Why Choose GSC Power-Division?
- GSC builds valvetrain components trusted in drag racing and endurance events.
- Each valve undergoes rigorous quality checks for exact tolerances.
- Engineered for 2JZ builds pushing over 1000hp with proven reliability.
Frequently Asked Questions
-
Q: Will these valves fit my 2JZ-GTE Supra?
A: Yes, designed specifically for 1993-1998 Toyota Supra Twin Turbo 2JZ-GTE with 29mm STD exhaust head size. -
Q: What finish is on these valves?
A: Chrome polished on the face for superior heat dissipation, with bead blasted stems for smooth guide contact. -
Q: Do I need new valve seals?
A: Recommended to replace valve seals and guides during cylinder head service for best sealing.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure box measuring 6in x 4in x 2in
- Weight: 0.95 lbs
GSC Power Division
GSC Power Division camshafts and valvetrain parts for turbocharged import engines are stocked at Black Ops Auto Works. Shop camshafts, valve springs, retainers, valves, and head studs engineered for the Toyota 2JZ, Nissan RB26 and VR38DETT, Mitsubishi 4G63, Subaru EJ257 and FA20, and Honda K20 platforms. Every product is filterable by engine code, cam grind, and application so the correct part ships the first time. Black Ops Auto Works carries 407 GSC Power Division SKUs across camshaft, valvetrain, and engine internal categories. What This Brand Covers GSC Power Division is a specialist engine internals brand focused on camshafts, valve springs, retainers, and valves engineered specifically for high output turbocharged import engines. The catalog is built around specific engine codes rather than complete vehicles, which means the same part often applies across multiple chassis that share an engine platform. Brand Focus GSC Power Division designs valvetrain components for engine...
View GSC Power Division Products
Valves
Engine valves for import, domestic, and European performance builds are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, single-groove and triple-groove valves, Inconel and titanium valves, and complete valve sets for 2JZ, RB26, RB25, VR38DETT, K-series, EA888, EA113, FA20, S58, B58, and HEMI 5.4L and 5.7L applications. 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 577 valve SKUs across intake, exhaust, and material specification categories. What This Category Covers The Valves category covers replacement and upgraded intake and exhaust valves for naturally aspirated, turbocharged, and supercharged cylinder heads. Coverage spans budget-focused OE-spec valves through race-grade Inconel and titanium valves built for sustained high RPM and boosted horsepower. Categories Included Intake valves, exhaust valves, single valves sold individually, and full valve set...
View Valves Products
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


