SKU: B1030
GSC Power-Division 1990-2005 Toyota 2JZ Viton 6mm Valve Stem Seals - Set of 500
GSC Power-Division B1030 valve stem seals are engineered for Toyota 2JZ-GE and 2JZ-GTE engines found in Supra SC300 GS300 and IS300 models. This 500-piece set uses Viton material for reliable sealing during high-performance rebuilds. They prevent oil leaks into cylinders while handling extreme heat and boost pressure in modified 2JZ builds.
Key Features
- Viton Construction: Fluorocarbon elastomer resists oil degradation and temperatures up to 400°F for long-term reliability in boosted applications
- 6mm Stem Fit: Direct match to OEM 2JZ valve stems ensures zero clearance issues and perfect installation on GE and GTE heads
- 500-Piece Bulk Pack: Supplies enough seals for over 20 full engine rebuilds ideal for shops and enthusiasts tackling multiple projects
- Precision Molded Design: Tight seal geometry controls oil flow to maintain valvetrain lubrication and reduce smoke under hard acceleration
- High-RPM Durability: Built to support 2JZ engines pushing 1000+ whp with consistent performance in drag and circuit use
Product Notes
- Verify valve stem diameter measures 6mm before purchase for 2JZ compatibility
- Store seals in original packaging away from direct sunlight and contaminants
- Bulk quantity ships in protective resealable bag inside sturdy box
Installation Notes
- Professional installation recommended.
- Remove valve springs and guides during cylinder head rebuild for seal replacement
- Use dedicated valve seal driver tool to seat seals evenly without damage
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | Base Turbo |
| 1992-2000 | Lexus | SC300 | All |
| 1998-2005 | Lexus | GS300 | All |
| 2001-2005 | Lexus | IS300 | All |
Why Choose GSC Power-Division?
- Proven in NHRA Pro Street and Formula Drift 2JZ race cars
- Valvetrain components tested to 10k+ RPM thresholds
- Machined and molded in USA for consistent tolerances
Frequently Asked Questions
-
Q: Will these fit both 2JZ-GE and 2JZ-GTE heads?
A: Yes both naturally aspirated GE and turbocharged GTE variants use 6mm stems and these seals install directly -
Q: Why Viton over standard seals?
A: Viton withstands synthetic oils high boost heat and ethanol blends far better than acrylic or poly seals preventing premature wear -
Q: What warranty applies?
A: GSC provides limited lifetime warranty against manufacturing defects when installed by certified technicians
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Original GSC resealable bag in 8x6x4 inch box
- Weight: 0.80 lbs
Engine
This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...
View Engine Products
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
View GSC Power Division Products
Valve Seals
Welcome to our Valve Seals collection, where precision meets reliability. Our selection is meticulously curated to provide you with the best valve seals available on the market. Whether you are a professional mechanic or a DIY enthusiast, you will find the right solution for your needs. Why Choose Our Valve Seals? Durability: Our valve seals are made from high-quality materials that withstand extreme temperatures and pressures. Enhanced Performance: Designed to prevent leaks and ensure optimal engine performance. Wide Variety: We offer a diverse range of sizes and types to fit various applications. Easy Installation: Our valve seals are user-friendly and can be installed without professional assistance. Applications of Valve Seals Valve seals are essential components in various systems, including: Automotive engines Industrial machinery Hydraulic systems Aerospace applications Shop Our Valve Seals Browse through our collection and find the perfect valve seals for your pr...
View Valve Seals Products
Valves & Components
Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...
View Valves & Components Products


