Optimized for high-performance cylinder head builds, this set of GSC Power-Division (P-D) intake valves is engineered for the Toyota 3S-GTE engine. These +1mm oversize valves feature a 34.6mm head diameter, designed to increase volumetric efficiency and airflow in modified engines.

Each valve is manufactured from 21-4N stainless steel, providing the necessary thermal resistance and tensile strength to withstand the high temperatures and pressures of forced induction. The chrome polished finish is applied to reduce friction within the valve guides and minimize carbon accumulation on the valve face for long-term seat integrity.

• Material: 21-4N stainless steel alloy
• Head Diameter: 34.6mm (+1mm over stock)
• Finish: Fully chrome polished for improved flow and durability
• Compatibility: Designed for Toyota 3S-GTE cylinder heads
• Quantity: Set of 8 intake valves
• Manufacturer Part Number: 2074-8

Fits Toyota 3S-GTE engines.

GSC Power Division oversized exhaust valves are engineered to enhance exhaust flow and improve volumetric efficiency in performance-built Toyota 3S-GTE cylinder heads. These valves feature a 30mm head diameter, which is a +1mm increase over the factory specification, providing the additional surface area needed for high-boost or high-RPM applications. Each valve is precision-machined and finished with a chrome polish to reduce friction and improve thermal resistance during high-stress operation.

• Engine Compatibility: Toyota 3S-GTE
• Component: Exhaust Valve
• Head Diameter: 30mm (+1mm Oversize)
• Finish: Chrome Polished
• Quantity: Set of 8
• Manufacturer Part Number: 2073-8

Designed for high-performance Toyota 3S-GTE engines, this set of eight GSC Power-Division intake valves is engineered to withstand the extreme thermal stresses of turbocharged applications. Each valve is manufactured from 21-4N stainless steel, a material selected for its superior tensile strength and heat resistance compared to standard valve alloys.

The chrome polished finish reduces friction within the valve guides and helps prevent carbon buildup on the valve head, ensuring consistent airflow and seating over time. These standard-sized 33.6mm valves are a direct replacement for factory components, providing a critical upgrade for builds requiring enhanced durability and reliability under high boost and RPM.

• Material: High-tensile 21-4N stainless steel
• Finish: Chrome polished for reduced friction
• Head Diameter: 33.6mm (Standard size)
• Engine Application: Toyota 3S-GTE
• Quantity: Complete set of 8 intake valves
• Manufacturer Part Number: 2072-8

Fits Toyota 3S-GTE engines.

These GSC Power-Division exhaust valves are engineered to handle the extreme heat and pressures of high-performance turbocharged valvetrains. Featuring a 29mm standard head diameter, these valves are a direct replacement for OE components but offer superior surface finish and material consistency. The chrome polished finish helps reduce friction within the valve guide and resists carbon buildup on the valve face for consistent performance over time.

• Application: Toyota 3S-GTE
• Valve Type: Exhaust
• Head Diameter: 29mm (Standard)
• Finish: Chrome Polished
• Quantity: Set of 8 valves
• Manufacturer Part Number: 2071-8

Enhance the exhaust flow and thermal durability of your Toyota 2JZ engine with this set of 12 GSC Power-Division polished chrome alloy exhaust valves. These +1mm oversized valves are engineered for high-performance builds requiring increased valve surface area to maximize cylinder head efficiency and flow potential.

Each valve is manufactured from high-tensile chrome alloy and features a fully polished finish. This smooth surface reduces friction within the valve guide and resists carbon buildup on the head, ensuring consistent performance and heat dissipation in high-horsepower applications. These components are designed to meet the rigorous tolerances required for precision valvetrain assembly.

• Engine Compatibility: Toyota 2JZ
• Valve Type: Exhaust
• Head Diameter: 30.0mm (+1mm oversize)
• Stem Diameter: 6.6mm
• Material: Chrome Alloy
• Finish: Polished
• Quantity: Set of 12 valves
• Manufacturer Part Number: 2069-12

Designed for high-performance Toyota 2JZ cylinder heads, this GSC Power-Division exhaust valve features a +1mm oversize head (30.0mm) to significantly increase flow capacity in high-horsepower and forced induction applications. Each valve is precision-machined from a high-tensile chrome alloy and finished with a mirror polish to reduce friction, resist carbon buildup, and improve thermal efficiency at the exhaust port.

This single valve (MPN 2069-01) is ideal for custom builds or replacing individual components in a modified valvetrain. Please note that +1mm oversize valves require professional cylinder head machining for proper seat fitment and clearance.

• Fits Toyota 2JZ series engines
• Head Diameter: 30.0mm (+1mm oversize)
• Stem Diameter: 6.6mm
• Material: Polished Chrome Alloy
• Sold individually (Single Valve)
• Manufacturer Part Number: 2069-01

Fits select 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 models equipped with the 2JZ engine.

These GSC Power-Division Super Alloy exhaust valves are engineered to withstand the extreme thermal loads of high-performance 2JZ builds, particularly in turbocharged applications where exhaust gas temperatures (EGTs) reach critical levels. Featuring a 30.0mm head diameter—a 1mm increase over the factory specification—these valves provide improved exhaust flow characteristics while maintaining the structural integrity required for high-boost environments.

Each valve is manufactured from a high-temperature Super Alloy and finished with a chrome polished surface to reduce friction and minimize carbon buildup. This set of 12 is a direct upgrade for worn or underperforming OE valves, designed to seat perfectly within your 2JZ cylinder head for a reliable, airtight seal.

• Manufacturer Part Number: 2067-12
• Material: High-temperature Super Alloy
• Finish: Chrome Polished
• Head Diameter: 30.0mm (+1mm Oversize)
• Quantity: Set of 12
• Compatibility: 1992-2005 Lexus GS300, IS300, SC300; 1993-1998 Toyota Supra

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra.

GSC Power-Division Super Alloy exhaust valves are engineered to withstand the extreme thermal loads and high cylinder pressures common in high-performance 2JZ-GE and 2JZ-GTE engines. These 29mm standard-sized valves are manufactured from a specialized super alloy, offering significantly higher heat resistance and tensile strength than typical stainless steel. This makes them an essential upgrade for high-boost turbocharged applications or high-RPM builds where maintaining valve seat integrity is critical.

Each valve features a precision chrome-polished finish to minimize friction within the valve guide and reduce carbon accumulation on the valve tulip, ensuring consistent airflow and long-term durability. This complete set includes 12 exhaust valves to fully refresh your cylinder head.

• Head Diameter: 29mm (Standard Size)
• Material: High-Temperature Super Alloy
• Finish: Chrome Polished
• Quantity: Set of 12 Exhaust Valves
• Manufacturer Part Number: 2065-12

Fits 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra equipped with the 2JZ engine.

GSC Power-Division intake valves are engineered for performance engines that demand higher tolerances and better airflow than factory components provide. These +1mm oversized valves feature a 34.6mm head diameter, allowing for increased intake volume when paired with appropriate cylinder head machining. Each valve is manufactured from 21-4N stainless steel, offering exceptional heat resistance and durability under the high-stress conditions of modified 2JZ-GE and 2JZ-GTE engines. The chrome polished finish reduces friction and carbon buildup, ensuring consistent performance throughout the engine's powerband.

• Manufacturer Part Number: 2064-12
• Material: 21-4N Stainless Steel
• Finish: Chrome Polished
• Head Diameter: 34.6mm (+1.0mm over stock)
• Quantity: Set of 12 intake valves
• Designed for high-RPM and high-boost applications

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra (2JZ-GE / 2JZ-GTE). This GSC Power-Division +1mm oversize intake valve is engineered for high-performance 2JZ cylinder heads where increased airflow and thermal stability are critical.

Constructed from 21-4N stainless steel, this valve is designed to withstand the extreme heat and pressures of turbocharged and high-compression applications. The chrome-polished finish reduces friction within the valve guide and resists carbon buildup on the tulip, maintaining consistent flow over the life of the engine. These valves are a direct upgrade for builders looking to maximize volumetric efficiency by increasing the valve head diameter to 34.6mm.

• Material: 21-4N Stainless Steel
• Head Diameter: 34.6mm (+1.0mm oversize)
• Finish: Chrome Polished
• Quantity: Single Valve
• Manufacturer Part Number: 2064-01

Fits 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 (2JZ-GTE).

Improve your cylinder head's flow characteristics with this set of 12 GSC Power-Division chrome polished exhaust valves. Specifically designed for high-performance 2JZ-GTE engines, these +1mm oversized valves feature a 30mm head diameter to significantly increase exhaust flow capacity. The chrome polished finish is engineered to reduce carbon buildup and minimize friction within the valve guides, ensuring consistent performance under the high-heat conditions of turbocharged or high-horsepower builds.

As an oversized performance component, these valves require professional cylinder head machining and a valve job for proper seat fitment. These are an essential upgrade for builders looking to maximize the volumetric efficiency of the legendary 2JZ platform.

• Manufacturer Part Number: 2063-12
• Series: 23-8N Chrome Polished
• Head Diameter: 30mm (+1mm Oversize)
• Quantity: Set of 12 Exhaust Valves
• Application: 1992-2005 Toyota/Lexus 2JZ Engines

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra models equipped with the 2JZ engine.

GSC Power-Division high-performance intake valves are engineered to withstand the extreme thermal loads and high-RPM demands of built 2JZ engines. These valves are manufactured from 21-4N stainless steel, a material chosen for its superior high-temperature strength and corrosion resistance. Each valve undergoes a swirl polishing process to improve airflow and features a chrome-plated stem to reduce friction and wear within the valve guide.

Designed as a direct replacement for factory units, these 33.6mm valves maintain the standard (STD) head diameter, ensuring compatibility with stock valve seats while providing the durability required for forced induction or high-compression naturally aspirated builds.

• Manufacturer Part Number: 2062-12
• Material: 21-4N Stainless Steel
• Finish: Swirl polished head with chrome-plated stem
• Head Diameter: 33.6mm (Standard Size)
• Quantity: Complete set of 12 intake valves
• Compatibility: Fits 2JZ-GTE and 2JZ-GE cylinder heads

Fits select 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300.

GSC Power-Division’s 21-4N stainless steel intake valves are engineered for high-performance applications where heat and stress tolerances are critical. This single replacement intake valve features a 33.6mm standard (STD) head diameter and a chrome polished finish to reduce friction and improve airflow efficiency within the cylinder head. Designed as a precise replacement for worn or damaged components, it provides the durability required for both naturally aspirated and forced induction 2JZ-series platforms.

• Material: High-strength 21-4N Stainless Steel
• Finish: Chrome Polished Stem for reduced friction
• Head Diameter: 33.6mm (Standard/STD)
• Configuration: Single Intake Valve
• Manufacturer Part Number: 2062-01

Fits 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 models.

Engineered for the extreme thermal demands of the 2JZ platform, the GSC Power-Division P-D series 23-8N exhaust valves provide the durability required for high-performance builds. These standard-sized (29mm) valves feature a chrome polished finish that reduces friction within the valve guide and resists carbon buildup on the head, ensuring consistent sealing and exhaust flow.

• Series: GSC P-D 23-8N
• Valve Type: Exhaust
• Head Diameter: 29mm (STD)
• Finish: Chrome Polished
• Quantity: Set of 12
• Manufacturer Part Number: 2061-12

This GSC Power Division chrome polished exhaust valve is engineered for 1992-2005 Toyota and Lexus vehicles powered by the 2JZ engine series. Designed as a direct replacement or upgrade for factory components, this valve features a standard 29mm head diameter and a precision polished finish to reduce friction and improve heat dissipation within the combustion chamber.

Built to exacting tolerances, the GSC Power Division 2061-01 valve provides the reliability required for both high-performance street builds and dedicated track applications. Its chrome finish ensures long-term durability and resistance to carbon buildup on the exhaust side.

• Head Diameter: 29mm (Standard/STD)
• Finish: Chrome Polished
• Position: Exhaust
• Engine Compatibility: 2JZ series
• Quantity: Single Valve
• Manufacturer Part Number: 2061-01

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra models.

Upgrade your Nissan VR38DETT cylinder heads with this complete set of 12 oversized exhaust valves from GSC Power-Division. Specifically engineered for high-performance R35 GT-R builds, these +1mm oversized valves increase exhaust flow capacity over factory components. These valves are designed to handle the increased thermal loads and exhaust pressures found in built, high-boost turbocharged applications.

This set (MPN 2057-12) requires a professional valve job to accommodate the larger 33.15mm head diameter. Each valve is manufactured to strict tolerances for reliable operation and consistent sealing under extreme conditions.

• Engine Compatibility: Nissan VR38DETT
• Head Diameter: 33.15mm (+1mm Oversized)
• Stem Diameter: 6.6mm
• Overall Length: 91.95mm
• Quantity: Set of 12 Exhaust Valves
• Manufacturer Part Number: 2057-12

Upgrade your Nissan VR38DETT cylinder heads with this complete set of 12 GSC Power-Division intake valves. These valves are engineered for the extreme heat and pressure environments found in high-performance R35 GT-R builds. Each valve is manufactured from 21-4N stainless steel for superior high-temperature strength and corrosion resistance compared to factory components.

Featuring a chrome-polished finish, these valves minimize friction and resist carbon buildup on the valve face and stem, promoting consistent airflow and improved longevity. These are standard (STD) 37.15mm head diameter valves, designed for a precise fit with factory seats during a valvetrain refresh or performance build.

• Engine Application: Nissan VR38DETT
• Material: 21-4N Stainless Steel
• Head Diameter: 37.15mm (Standard Size)
• Finish: Chrome Polished
• Quantity: Set of 12
• Manufacturer Part Number: 2056-12

Designed for high-performance Nissan VR38DETT engines, this set of GSC Power-Division Super Alloy exhaust valves provides the thermal resistance necessary for high-boost and high-heat applications. These valves are forged from a proprietary Super Alloy capable of maintaining structural integrity under extreme combustion temperatures common in tuned R35 GT-R builds.

Each valve features a chrome polished stem to significantly reduce friction against the valve guides, improving valvetrain longevity and response. With a standard (STD) 32.15mm head diameter, these valves serve as a high-strength upgrade for builders maintaining factory geometry while demanding superior material specifications.

• Fits Nissan VR38DETT engines
• Material: High-heat resistance Super Alloy
• Finish: Chrome polished stems for reduced wear
• Head Diameter: 32.15mm (Standard Size)
• Quantity: Full set of 12 exhaust valves
• Manufacturer Part Number: 2055-12

Fits 2009-2015 Nissan GT-R models equipped with the VR38DETT engine.

These GSC Power-Division super alloy exhaust valves are engineered to withstand the extreme cylinder pressures and EGTs found in high-performance Nissan GT-R builds. Featuring a 33.15mm head diameter, these valves are +1mm oversized relative to the factory specification, providing significantly increased flow potential for high-horsepower forced induction applications. Each valve is manufactured from a proprietary high-heat super alloy and finished with a precision chrome polish to minimize friction and resist carbon accumulation in the exhaust ports.

• Head Diameter: 33.15mm (+1mm Oversize)
• Quantity: Set of 12 Exhaust Valves
• Material: Heat-Resistant Super Alloy
• Finish: Chrome Polished
• Manufacturer Part Number: 2053-12

Fits 2009-2015 Nissan GT-R (VR38DETT) models including Base, Black Edition, Nismo, Premium, and Track Edition.

Engineered for high-performance VR38DETT builds, this set of GSC Power-Division intake valves features a +1mm oversize head diameter (38.15mm) to significantly improve airflow over factory components. These valves are manufactured from 21-4N stainless steel, a high-strength alloy designed to withstand the extreme heat and combustion pressures found in turbocharged applications. The chrome-polished stems reduce friction within the valve guides, promoting consistent valve timing and longevity during high-RPM operation.

• Manufacturer Part Number: 2052-12
• Material: 21-4N Stainless Steel
• Finish: Chrome Polished Stem
• Head Diameter: 38.15mm (+1mm Oversize)
• Quantity: Set of 12 Intake Valves
• Designed for high-heat, high-boost VR38DETT engines

Fits 2009-2015 Nissan GT-R models (Base, Black Edition, Nismo, Premium, Track Edition) equipped with the VR38DETT engine.

Engineered for high-boost and extreme-heat performance applications, these GSC Power-Division exhaust valves are manufactured from a specialized Super Alloy. This material is specifically designed to maintain structural integrity and seat properly under the intense thermal loads experienced in turbocharged Nissan VR38DETT exhaust ports. Every valve features a high-grade chrome polished finish to reduce friction within the valve guides and prevent carbon buildup on the stem.

• Manufacturer: GSC Power-Division
• Part Number: 2051-12
• Material: Proprietary Super Alloy for high-heat resistance
• Finish: Chrome Polished
• Head Diameter: 32.15mm (Standard/STD Size)
• Quantity: Complete set of 12 exhaust valves
• Compatible Engine: VR38DETT

Fits 2009-2015 Nissan GT-R (VR38DETT) including Base, Black Edition, Nismo, Premium, and Track Edition models.

GSC Power-Division 21-4N Chrome Polished Intake Valves are engineered to withstand the extreme thermal and mechanical stresses of high-output VR38DETT builds. These valves are manufactured from premium 21-4N stainless steel and feature a swirl-polished finish to improve airflow and reduce carbon buildup on the valve face. The chrome-polished stem reduces friction within the valve guide for smoother operation at high RPM.

Designed as a direct replacement for factory units, these 37.15mm valves maintain the standard head size, making them an ideal choice for refreshing a cylinder head without requiring oversized machining. Every valve is precision-ground to ensure a perfect seal and long-term durability in forced-induction environments.

• Engine: VR38DETT
• Material: 21-4N Stainless Steel
• Head Diameter: 37.15mm (Standard Size)
• Finish: Chrome Polished swirl finish
• Quantity: Set of 12 intake valves
• Manufacturer Part Number: 2050-12

Fits 2009-2015 Nissan GT-R models (VR38DETT).

Built for the extreme demands of the VR38DETT engine, this GSC Power-Division intake valve is constructed from high-strength 21-4N stainless steel alloy. The chrome polished finish reduces friction within the valve guide and resists carbon accumulation on the tulip, promoting cleaner airflow and improved durability. This standard-diameter (STD) replacement is designed to maintain factory geometry while offering superior material resilience for high-performance applications.

• Material: 21-4N Stainless Steel Alloy
• Finish: Chrome Polished
• Head Diameter: 37.15mm (Standard Size)
• Quantity: Sold Individually (Single)
• Manufacturer Part Number: 2050-01

Fits Honda K-Series K20 and K24 VTEC engines.

Engineered for high-performance applications, the GSC Power-Division chrome polished intake valves are designed to improve airflow and durability in Honda VTEC cylinder heads. These standard-sized (35mm) valves feature a polished finish that reduces friction and helps prevent carbon buildup, ensuring consistent sealing and performance under high-RPM conditions.

• Precision manufactured for exact fitment in K20 and K24 VTEC cylinder heads
• 35mm standard (STD) head diameter
• Chrome polished finish for reduced friction and improved heat resistance
• Compatible with factory and aftermarket valve guides and seats
• Manufacturer Part Number: 2042-8
• Includes a complete set of 8 intake valves

Fits Honda K-Series K20 and K24 VTEC engines.

GSC Power-Division chrome polished exhaust valves are engineered to withstand the high-stress environment of performance K-Series builds. These valves feature a precision-ground finish to reduce friction and improve heat dissipation, ensuring consistent sealing and reliable airflow across the VTEC powerband. As a standard (STD) size replacement, they are designed for builders seeking a high-quality upgrade over factory components without changing the valve seat geometry.

• Head Diameter: 30mm (Standard Size)
• Material: High-strength alloys with a chrome polished finish for reduced friction
• Application: Specifically for Honda K20 and K24 VTEC cylinder heads
• Configuration: Exhaust side only
• Quantity: Complete set of 8 valves
• Manufacturer Part Number: 2041-8

Fits Honda B16A, B17A, and B18C engines.

These GSC Power-Division exhaust valves are engineered to handle the high-RPM and thermal demands of B-series VTEC cylinder heads. Manufactured from high-tensile chrome alloy, they provide superior durability and resistance to heat-cycling compared to standard components. With a 28mm head diameter and 6mm stem diameter, these valves are a precise fit for performance rebuilds using factory-style guides and seats.

• Material: High-tensile Chrome Alloy
• Head Diameter: 28mm
• Stem Diameter: 6mm
• Compatible Engines: B16A, B17A, B18C
• Quantity: Set of 8 valves
• Manufacturer Part Number: 2039-8

Fits Honda B-Series VTEC engines including B16A, B17A, and B18C.

GSC Power-Division chrome polished intake valves are engineered to enhance induction flow and durability in high-performance Honda cylinder heads. These valves feature a 34mm head diameter, providing a +1mm oversize over factory specifications to increase volumetric efficiency. The chrome polished finish is designed to reduce friction within the valve guide and resist carbon buildup on the valve face and stem during high-temperature operation.

• Engineered for Honda B16A, B17A, and B18C VTEC engines
• 34mm head diameter (+1mm oversize)
• Chrome polished finish for reduced friction and carbon resistance
• Precision-machined for consistent tolerances and seating
• Complete set of 8 intake valves
• Manufacturer Part Number: 2034-8

Fits Honda B-Series VTEC engines including B16A, B17A, and B18C.

These GSC Power-Division P-D series exhaust valves are engineered for high-performance Honda B-Series VTEC cylinder heads. The chrome polished finish reduces friction and helps prevent carbon buildup, ensuring consistent performance at high RPMs. This specific set features a 29mm head diameter, providing a +1mm oversize over factory specifications to optimize exhaust gas flow in ported or high-output builds.

• Head Diameter: 29mm (+1mm Oversize)
• Finish: Chrome Polished
• Engine Fitment: Honda B16A, B17A, and B18C VTEC
• Quantity: Set of 8 Exhaust Valves
• Manufacturer Part Number: 2033-8

Upgrade your cylinder head with this set of GSC Power-Division chrome polished intake valves, specifically engineered for the high-revving Honda B-Series VTEC platform. These valves are designed to meet or exceed factory specifications while providing the durable finish required for performance applications.

Fits Honda B-Series VTEC engines including B16A, B17A, and B18C.

• Manufacturer Part Number: 2032-8
• Head Diameter: 33mm (Standard Size)
• Finish: Chrome Polished for reduced friction and wear
• Engine Application: Honda B16A, B17A, B18C VTEC
• Component Type: Intake Valve
• Quantity: Set of 8

Fits Honda B-Series VTEC B16A, B17A, and B18C engines.

These GSC Power-Division Chrome Polished exhaust valves are engineered to replace worn factory components or upgrade your cylinder head for improved flow and durability. Featuring a 28mm standard head diameter, these valves provide a direct-fit solution for high-performance Honda engine builds requiring precise tolerances and reliable heat dissipation.

• Standard 28mm head diameter (STD)
• Chrome polished finish designed to reduce friction and carbon accumulation
• Compatible with B16A, B17A, and B18C VTEC cylinder heads
• Precision manufactured for consistent stem-to-guide clearance and seat contact
• Manufacturer Part Number: 2031-8
• Complete set of 8 exhaust valves