Fits Toyota 7M-GTE 3.0L Turbo engines.

This Supertech single valve spring set is engineered to provide the consistent tension and fatigue resistance required for high-performance 7M-GTE builds. Replacing worn factory springs is a critical step when increasing boost or raising the RPM limit to prevent valve float, which can lead to loss of power or catastrophic engine damage. These springs are designed to provide improved harmonics and seat pressure stability compared to aged OE components, ensuring the valvetrain remains controlled under demanding conditions.

• Engineered specifically for the 24-valve Toyota 7M-GTE engine
• Spring Type: Single Valve Spring
• Quantity: Full set of 24 springs
• Manufacturer: Supertech Performance

These Supertech intake valves are engineered for the Subaru FA20F engine, offering the precision and durability required for high-performance valvetrain builds. Manufactured to exacting tolerances, these valves ensure consistent sealing and optimal airflow, making them an essential upgrade for engines facing the increased thermal and mechanical stresses of performance tuning or forced induction.

This complete set provides all eight intake valves needed for a full cylinder head service or build, replacing the factory components with high-strength alternatives designed for longevity and reliability.

• Engine Application: Subaru FA20F
• Valve Type: Intake
• Head Diameter: 35mm
• Stem Diameter: 5.46mm
• Overall Length: 105mm
• Quantity: Set of 8

Secure your valvetrain with the Supertech 6mm Single Groove Valve Lock Conversion. In high-performance and high-RPM applications, a single-groove lock configuration is preferred for its superior clamping force and ability to prevent valve stem fretting compared to traditional multi-groove designs. These locks provide the precise mechanical connection needed between the valve stem and retainer to handle increased spring pressures and aggressive cam profiles.

This set contains 24 individual locks, providing complete coverage for 12 valves at two locks per valve. Engineered from high-strength steel alloy, these components are essential for builders upgrading to performance valves and retainers requiring a 6mm single-groove interface.

• Stem Diameter: 6mm
• Groove Configuration: Single Groove
• Quantity: Set of 24 (Covers 12 valves)
• Material: Precision-machined high-strength alloy
• Installation: Requires 2 locks per valve

Maintain valvetrain stability and prevent valve float with this Supertech Performance Single Valve Spring Set. Designed specifically for the Audi and Volkswagen EA113 and EA888 TFSI engine families, these springs are engineered to handle the increased stress of higher RPM ranges and aggressive camshaft profiles found in performance-oriented builds.

Upgrading to Supertech springs ensures consistent seat pressure and improved harmonic control compared to worn or factory-standard components. This is a critical upgrade for forced induction or high-revving applications where precise valve timing is essential to engine longevity and power delivery.

• Engine Compatibility: Audi/VW EA888 and EA113 TFSI
• Spring Type: Single high-performance valve spring
• Quantity: Complete set of 16 springs
• Application: Replaces factory springs for high-RPM or high-boost builds
• Benefits: Reduces risk of valve-to-piston contact and improves valvetrain response

Proper valve lash is critical for valvetrain longevity and peak engine performance. This Supertech cam follower shim allows for precise clearance adjustments when building or maintaining high-performance overhead cam (OHC) cylinder heads. Precision-ground to exact tolerances, these shims provide the reliable, flat contact surface required between the cam lobe and the follower to ensure consistent timing and reduced wear.

• Diameter: 8mm
• Thickness: 1.95mm
• Component Type: Valvetrain Lash Shim
• Manufacturer: Supertech

Fits 2001-2006 Honda K20A engines.

This Supertech Multi-Layer Steel (MLS) head gasket is engineered to provide a superior combustion seal for high-performance K20A builds. Constructed from multiple layers of high-grade stainless steel, this gasket offers exceptional durability and thermal conductivity compared to standard composite alternatives. The 87mm bore accommodates overbored blocks, while the 0.85mm thickness ensures consistent deck clearance and compression ratios for demanding street or track applications.

• Construction: Multi-Layer Steel (MLS) for maximum sealing pressure
• Bore Diameter: 87mm
• Thickness: 0.85mm
• Compatibility: 2001-2006 Honda K20A engines
• Application: High-compression or forced induction builds requiring precise tolerances

Optimize your valvetrain performance with this set of Supertech titanium locking pins, specifically engineered for Honda B-Series VTEC engines. These pins are critical components within the rocker arm assembly, responsible for the mechanical engagement of the VTEC system. By replacing the factory steel pins with high-grade titanium, you significantly reduce reciprocating mass in the valvetrain.

• Manufactured from aerospace-grade titanium for an exceptional strength-to-weight ratio
• Reduces valvetrain mass to improve high-RPM stability and responsiveness
• Precision-machined for a direct fit in Honda B16 and B18 VTEC cylinder heads
• Engineered to withstand the stresses of high-lift camshafts and racing applications
• Complete set of 8 pins for a full valvetrain service

Fits Mazda 2.3T turbocharged engines.

Supertech performance intake valves are engineered to withstand the elevated temperatures and cylinder pressures of high-output turbocharged applications. These valves undergo a specialized Black Nitride treatment, creating a hardened surface that significantly reduces friction and wear within the valve guides. The dish face and 6mm tapered stem design are optimized to improve airflow and volumetric efficiency, making these a critical upgrade for any Mazda 2.3T performance build.

• Head Diameter: 36.00mm
• Stem Diameter: 5.97mm
• Overall Length: 103.40mm
• Material: Black Nitride coated for reduced friction and high durability
• Stem Design: 6mm Tapered stem for improved flow characteristics
• Face Profile: Dish
• Quantity: Complete set of 8 intake valves

Designed for high-performance BMW S52 engine builds, these Supertech forged pistons provide the structural integrity required for demanding track and street applications. This set is engineered specifically for the 3.2L S52B32 engine found in the E36 M3, featuring a precision-machined -12cc dish to achieve an 11:1 compression ratio.

• Fits 1996-1999 BMW E36 M3 (3.2L S52B32)
• Bore Diameter: 87mm
• Compression Ratio: 11:1
• Dish Volume: -12cc
• Engine Code: S52 / B32
• Quantity: Set of 6 pistons
• Note: Piston rings are not included and must be purchased separately.

Supertech pistons are manufactured from high-tensile strength alloys to withstand increased cylinder pressures and thermal loads. These are an essential upgrade for engine builders seeking to optimize the S52's power output while maintaining reliable tolerances.

Fits Toyota 4AGE 20V and select VW/Audi models with 1.8T AEB or 2.7T APB 5-valve engines (1.8T / 2.7T).

This Supertech intake valve spring is engineered to handle the increased demands of high-performance 5-valve cylinder heads. Designed to prevent valve float and maintain valvetrain stability at higher RPMs, this spring provides the consistent seat pressure and rate required for modified engines. Whether you are building a 20V 4AGE Silvertop/Blacktop or a large-port AEB/APB 5V head, these springs ensure the intake valves close reliably under boost and high-lift conditions.

• Precision-wound specifically for 5-valve intake configurations
• Reduces risk of valve float in high-RPM applications
• Direct fit for Toyota 4AGE 20V, VW 1.8T (AEB), and Audi 2.7T (APB) platforms
• Compatible with high-lift performance camshafts
• Note: This item is available via drop ship only

Designed for Nissan VQ35 engines, these Supertech Manganese Bronze valve guides provide superior heat transfer and lower friction compared to standard OEM components. Manganese bronze is the preferred material for high-performance and high-RPM cylinder head builds because of its natural lubricity and ability to withstand the extreme thermal stresses of forced induction or racing applications.

Each guide is precision-machined to exact tolerances, ensuring a consistent press-fit into the cylinder head while maintaining perfect valve stem alignment. This improves valve seal longevity and ensures stable valvetrain geometry throughout the RPM range. This set of 12 is compatible with intake or exhaust positions as specified for VQ35 platforms.

• Brand: Supertech Performance
• Material: Manganese Bronze
• Outer Diameter (OD): 10.079mm
• Inner Diameter (ID): 5.985mm
• Length: 42.00mm
• Quantity: Set of 12

Fits Mitsubishi 4G63 engines.

This Supertech Dual Valve Spring Kit provides the critical valvetrain stability required for high-performance Mitsubishi 4G63 builds. Engineered to manage the increased demands of aggressive camshaft profiles and high-RPM operation, the dual-spring design significantly reduces valve float and provides better harmonic damping than single-spring configurations.

By maintaining precise control over valve movement, this kit ensures consistent engine performance and protects your valvetrain during competition use or high-boost applications.

• Designed specifically for the Mitsubishi 4G63 engine platform
• Dual-spring architecture for superior high-RPM valve control
• Engineered to prevent valve float and maintain valvetrain integrity
• Manufactured with high-quality materials for long-term durability

This Supertech cam follower shim is designed for precision valvetrain adjustment, allowing for the exact lash settings required in performance engine builds. Manufactured to tight tolerances, these shims ensure reliable contact between the camshaft and follower, maintaining optimal valve timing and engine efficiency under high-stress conditions.

• Manufacturer Part Number: CF-SHIM-1.55
• Diameter: 8mm
• Thickness: 1.55mm
• Application: Designed for use with compatible 8mm diameter cam followers
• Purpose: Accurate valvetrain lash and clearance adjustment

Designed for high-performance Volkswagen EA888 engines, these Supertech intake valves are engineered to withstand the thermal and mechanical stresses of high-RPM and forced-induction applications. This set of 8 valves features a black nitriding treatment, which hardens the surface and significantly reduces friction against the valve guides for improved longevity and valvetrain efficiency.

• Engine Fitment: Volkswagen EA888
• Material: Black Nitrided Stainless Steel
• Head Diameter: 33.85mm
• Stem Diameter: 5.98mm
• Total Length: 104.00mm
• Quantity: Set of 8
• Manufacturer Part Number: VWIVN-1002T-8

Each valve is precision-manufactured to strict tolerances, ensuring consistent flow and a reliable seal. These are an essential upgrade for builders looking to replace worn OE components or reinforce the cylinder head for increased boost and power levels.

Fits Toyota Supra 2JZ-GE and 2JZ-GTE engines.

This Supertech Dual Valve Spring set (SPR-TS1012-16) is engineered for high-performance Toyota 2JZ applications where increased RPM and aggressive lift profiles demand superior valvetrain control. The dual-spring design provides enhanced harmonic damping and significantly reduces the risk of valve float, ensuring the valves seat correctly even under extreme conditions.

• Designed specifically for the Toyota 2JZ-GE and 2JZ-GTE cylinder heads
• Dual-spring configuration for improved stability at high engine speeds
• Precision manufactured to maintain consistent seat pressure
• Set of 16 springs
• Manufacturer Part Number: SPR-TS1012-16

Upgrade your valvetrain with this set of eight Supertech Performance intake valves, specifically engineered for the Nissan SR20VE engine. These valves feature a +1mm oversize head diameter, providing the increased surface area necessary to maximize induction flow in high-performance and racing applications. Each valve is treated with a specialized black nitriding process, which produces a smoother surface finish and a harder outer layer (micro-hardness) than traditional chrome plating. This treatment significantly reduces friction in the valve guides and improves heat resistance during high-RPM operation.

• Engine Application: Nissan SR20VE (Neo VVL)
• Valve Type: Intake
• Sizing: +1mm Oversize Head Diameter
• Finish: Black Nitrided for reduced friction and superior wear resistance
• Quantity: Complete set of 8 valves
• Manufacturer Part Number: NIVN-1007-VE-8

Supertech valves are forged from high-tensile alloys to withstand the thermal and mechanical stresses of modified SR20 platforms. Please note that +1mm oversize valves require appropriate machine work to the cylinder head valve seats for proper fitment and sealing.

Fits Mazda and Ford Duratec 2.0L and 2.3L engines.

Supertech Inconel exhaust valves are engineered to withstand the extreme thermal environments found in high-performance and forced-induction engines. Manufactured from a specialized nickel-based superalloy, these valves maintain their strength and resist oxidation at temperatures that would compromise standard stainless steel components. They are an essential upgrade for turbocharged, supercharged, or high-compression Duratec builds where exhaust gas temperatures are significantly elevated.

• Material: Inconel superalloy for maximum heat resistance
• Quantity: Full set of 8 exhaust valves
• Engine Fitment: Mazda/Ford Duratec (2.0L / 2.3L)
• Manufacturer Part Number: MAEVI-2301D-8

Upgrade your cylinder head with this set of 12 Supertech manganese bronze exhaust valve guides, specifically engineered for BMW N55 and S55 engines. These guides are designed for 6mm valve stems and serve as a high-performance replacement for worn factory components during a head rebuild.

Supertech utilizes a proprietary manganese bronze alloy that provides significantly better heat transfer and lower friction than standard OEM guide materials. This improved thermal conductivity helps pull heat away from the exhaust valves more efficiently, while the precision-machined tolerances ensure stable valve seating and long-term durability in high-RPM or forced-induction applications.

• Material: Manganese Bronze alloy
• Stem Diameter: 6mm
• Application: Exhaust side
• Quantity: Set of 12 guides
• Manufacturer Part Number: GDE-BMW-N55-E-12

Fits Mazda Miata (1.8L) engines.

Designed for high-performance and forced induction builds, these Supertech Inconel intake valves are engineered to withstand the extreme thermal loads found in turbocharged or high-compression racing applications. This set features a +1mm oversized head diameter (34.00mm), allowing for increased airflow and improved volumetric efficiency when paired with professional cylinder head porting. Each valve is precision-machined to ensure strict tolerances and a reliable seat seal under high-RPM conditions.

• Manufacturer Part Number: MAIVN-1206-INC-8
• Material: Inconel (High-nickel superalloy)
• Head Diameter: 34.00mm (+1mm Oversized)
• Stem Diameter: 5.96mm
• Overall Length: 102.60mm
• Valve Type: Intake
• Included: Set of 8 valves

Fits Toyota 5VZ-FE (3.4L V6) engines.

This set of 12 Supertech exhaust valves is engineered to provide superior durability and thermal management for the Toyota 5VZ-FE platform. Each valve undergoes a specialized black nitriding process, which significantly increases surface hardness and provides a smoother finish to reduce friction within the valve guides. This treatment makes them ideal for performance builds that demand higher heat resistance and longevity than standard factory components.

• Manufacturer Part Number: TEVN-1040-12
• Engine Application: Toyota 5VZ-FE (V6)
• Material Treatment: Black Nitrided for reduced friction and increased hardness
• Valve Type: Exhaust
• Quantity: Complete set of 12 valves

Fits Honda K20 and K24 engines.

Engineered for high-performance environments, these Supertech exhaust valves are manufactured from Inconel, a nickel-base superalloy designed to withstand the extreme exhaust gas temperatures (EGTs) found in turbocharged, supercharged, or high-compression racing engines. Unlike standard stainless steel, Inconel maintains its structural integrity and resists oxidation under intense thermal loads, preventing valve fatigue and failure in demanding conditions.

• Material: High-temperature Inconel alloy
• Component: Exhaust valves
• Quantity: Set of 8
• Manufacturer Part Number: HEVI-1020D-8

These valves are a critical upgrade for builders looking to ensure valvetrain reliability on the exhaust side where heat is most concentrated. Each valve is precision-machined to meet strict tolerances for improved flow and consistent sealing.

Fits Mazda Miata (1.8L) engines.

These Supertech performance pistons are designed for high-strength engine builds and overbore applications for the Mazda 1.8L platform. Featuring an 84mm bore and a -4cc dish volume, these pistons yield an 8.6:1 compression ratio, providing a robust foundation for forced induction or high-performance naturally aspirated setups. Each piston is precision-engineered to meet the strict tolerances required for high-stress automotive environments.

• Bore Diameter: 84mm
• Compression Ratio: 8.6:1
• Dish Volume: -4cc
• Engine Compatibility: Mazda 1.8L
• Quantity: Set of 4 pistons
• Manufacturer Part Number: P4-MA84-N4
• Note: Piston rings are NOT included

Designed for high-performance Nissan SR20VE engines, these Supertech exhaust valves are engineered to withstand the extreme thermal loads of high-revving and forced-induction builds. Each valve is manufactured from Inconel, a nickel-based superalloy specifically chosen for its ability to maintain structural integrity and resist oxidation at temperatures where standard stainless steel may fail.

These valves feature a +2mm oversize diameter, providing increased surface area to maximize exhaust gas flow in ported cylinder heads. Precision-machined for exact tolerances, they ensure a reliable seal and improved heat dissipation through the valve seat.

• Fits Nissan SR20VE engines
• Material: High-temperature Inconel alloy
• Head Diameter: +2mm Oversize
• Designed for extreme heat resistance and durability
• Manufacturer Part Number: NEVI-1007-VE-8
• Quantity: Set of 8 valves

Fits select Scion tC (2AZ-FE) and Toyota Celica (1ZZ/2ZZ) models. These Supertech intake valve stem seals are engineered to provide a precise, durable seal between the valve stem and valve guide to maintain proper oil control in the cylinder head.

Constructed from high-grade polyacrylic, these seals are designed to replace hardened or leaking factory units that often cause blue smoke on startup and excessive oil consumption. By sealing the intake path, they prevent oil from migrating down the 5.5mm stems and forming carbon deposits on the intake valves, ensuring cleaner combustion and more consistent engine performance. This set is a direct replacement for OE-style guides and is essential for any top-end refresh or high-performance engine build.

• Part Type: Intake Valve Stem Seal
• Material: Polyacrylic
• Stem Diameter: 5.5mm
• Quantity: Set of 8
• Manufacturer Part Number: VS-T5.5I-8

This Supertech Single Valve Spring Kit is engineered specifically for the Toyota 2UZ-FE 4.7L V8 32-valve engine. Designed to provide consistent seat pressure and tension, this kit is an essential upgrade for maintaining valvetrain stability and preventing valve float during high-RPM operation or when installing more aggressive camshaft profiles.

• Fits Toyota 2UZ-FE V8 32V engines
• Single spring configuration optimized for reliable performance
• Provides necessary tension to ensure proper valve seating and timing
• Complete kit for a full engine refresh or valvetrain upgrade
• Manufacturer Part Number: SPRK-TU24

Fits Honda F20 and K20A2 engines.

The Supertech SPRK-H1021D Dual Valve Spring Kit is a critical upgrade for high-performance valvetrains, providing the seat pressure and spring rate necessary to maintain control at high RPM. Designed specifically for Honda F20 and K20A2 cylinder heads, this dual-spring configuration helps dampen harmonics and prevents valve float during aggressive camshaft lift or high-boost applications.

Engineered to withstand the rigors of track use and high-revving street builds, these springs replace factory components to ensure reliable engine operation and valvetrain stability. This kit is essential for anyone installing aftermarket cams or extending the factory redline.

• Specifically engineered for Honda F20 and K20A2 engine platforms
• Dual-spring design reduces harmonics and adds a layer of mechanical safety
• Provides increased seat pressure to prevent valve float at high RPM
• Precision manufactured for consistent rates and long-term durability
• Manufacturer Part Number: SPRK-H1021D

Ensure valvetrain stability and reliability in high-performance applications with the Supertech Dual Valve Spring Kit (SPRK-H100DR-BM-ST). This kit is engineered specifically for BMW M50, S50, M52, S52, and M54 inline-six engines to prevent valve float and bounce, which are common failure points when increasing RPM limits or installing aggressive aftermarket camshafts.

• Fits BMW M50, S50 (US), M52, S52 (US), and M54 series engines.
• Dual-spring configuration provides increased seat pressure and higher lift capacity over factory single springs.
• Manufactured from high-tensile chrome silicon steel for maximum fatigue resistance.
• Designed to maintain consistent pressure under extreme thermal loads and high-stress racing conditions.
• Essential upgrade for forced induction or high-RPM naturally aspirated builds.
• Manufacturer Part Number: SPRK-H100DR-BM-ST

Maintain precise valvetrain control at high RPM with this Supertech Dual Valve Spring Set. These springs are engineered to handle the increased lift and aggressive ramps of performance camshafts, providing the necessary tension to prevent valve float and harmonic resonance. By utilizing a dual-coil design, these springs effectively dampen vibrations that can lead to valvetrain failure in high-performance environments.

Each spring in this 16-piece set is manufactured to tight tolerances to ensure consistent seat pressure and spring rates across all cylinders. With a 13.2 lbs/mm rate and a 22mm coil bind height, these springs offer a robust solution for engine builders looking to optimize valvetrain stability and durability.

• Manufacturer Part Number: SPR-H1021D-16
• Quantity: Set of 16
• Outer Spring Diameter (OD/ID): 30.00mm / 21.80mm
• Inner Spring Diameter (OD/ID): 21.80mm / 16.20mm
• Spring Rate: 13.2 lbs/mm
• Coil Bind: 22.00mm

Fits Nissan RB26DETT engines.

Enhance the volumetric efficiency and valvetrain durability of your RB26DETT with this set of 12 Supertech intake valves. These valves feature a +1mm oversized head diameter, specifically designed to increase airflow in high-performance builds requiring precision headwork. Each valve undergoes a specialized black nitriding process, resulting in a hardened surface with significantly reduced friction and improved heat resistance compared to traditional chrome-plated valves.

• Construction: High-strength alloy with a Black Nitrided finish for superior hardness and wear resistance.
• Specifications: +1mm oversized head diameter for increased intake flow.
• Performance: Reduced friction within the valve guide for smoother operation at high RPM.
• Quantity: Set of 12 intake valves.
• Manufacturer Part Number: NIVN-1032-12

Designed for high-performance builds, the Supertech Block Guard provides critical reinforcement to the cylinder walls in Honda H22, H23, and F22 (Single Cam) open-deck engines. By bracing the top of the cylinder sleeves, this component prevents "sleeve walk" and protects against cylinder failure under high-boost or high-RPM operation.

The BG-H22-F22 is precision CNC-machined for an exact press-fit. It features strategically placed coolant passages to ensure consistent thermal management across the block, preventing hot spots while significantly increasing the structural integrity of the assembly during extreme combustion pressures.

• Fits Honda H22, H23, and F22 (Single Cam) engines
• Reinforces cylinder walls to prevent cracking and movement
• CNC-machined for precise tolerances and easy installation
• Designed to maintain critical coolant flow to the cylinder head
• Manufacturer Part Number: BG-H22-F22