Fits Hyundai Veloster 16V models with the G4FJ engine.

The Supertech Beehive Valve Spring Kit is engineered for high-performance Hyundai G4FJ engines where valve train stability is critical. By upgrading to these beehive-style springs, you reduce the reciprocating mass of the valve train, allowing for higher RPM limits and protecting against valve float in high-boost or high-revving applications. Each spring is precision-wound and designed to work within strict tolerances for consistent seat pressure and reliable lift capacity.

• Manufacturer Part Number: SPRK-MC56BE-G4FJ
• Type: Beehive Valve Spring Kit
• Seat Pressure: 75 lbs @ 33.50mm
• Open Pressure: 172 lbs @ 10mm lift
• Coil Bind: 22.20mm
• Application: 16-Valve engines

Fits 2007-2012 Mini Cooper R56 models.

The Supertech SPRK-MC56BE Beehive Valve Spring Kit is engineered to provide superior valvetrain control for high-performance Mini Cooper R56 builds. By utilizing a beehive design, these springs reduce the reciprocating mass at the retainer end, which allows for better harmonic resistance and increased stability at high RPM. This design enables the engine to handle more aggressive camshaft profiles and higher boost levels without the risk of valve float.

Each component is manufactured to exacting tolerances, ensuring consistent spring rates and long-term durability under track or spirited street conditions. This kit is a direct-fit solution for enthusiasts looking to strengthen their valvetrain while maintaining reliable operation.

• Manufacturer Part Number: SPRK-MC56BE
• Spring Type: Beehive design for reduced mass and improved harmonics
• Application: Specifically engineered for the Mini Cooper R56 platform
• Fitment Years: 2007-2012

Fits Nissan RB26DET 24V engines. The Supertech Dual Valve Spring Kit (SPRK-M1007D-RB) is a critical valvetrain upgrade for high-performance builds where high RPM stability and increased lift are required. This dual-spring configuration is engineered to provide superior harmonic damping and the necessary seat pressure to prevent valve float, ensuring your valvetrain remains controlled under extreme boost or high-rev conditions.

• Designed specifically for Nissan RB26DET 24-valve cylinder heads
• Dual-spring design offers increased pressure and harmonic resistance
• High-quality materials wound to precise tolerances for durability
• Essential for engines utilizing high-lift camshafts or high boost levels
• Manufacturer Part Number: SPRK-M1007D-RB

The Supertech SPRK-M1007D dual valve spring kit is engineered for high-performance Mitsubishi 4G63 engines that require increased seat pressure and lift capacity. This kit is a critical valvetrain upgrade for builds featuring aggressive aftermarket camshafts and high-boost configurations where valve float can compromise engine safety and power delivery.

By utilizing a dual-spring design, Supertech provides a higher spring rate and improved harmonic damping compared to factory single-spring setups. This ensures precise valve control at high RPM, allowing for a safer redline and consistent performance under extreme racing conditions. These springs are manufactured from high-quality chrome silicon vanadium steel alloy for maximum durability and fatigue resistance.

• Engineered for the Mitsubishi 4G63 valvetrain
• Dual spring configuration for superior high-RPM stability
• Prevents valve float in high-lift and high-boost applications
• Manufactured from high-tensile chrome silicon vanadium steel
• Manufacturer Part Number: SPRK-M1007D

Fits Nissan Skyline models equipped with the RB25 DOHC 24V (NEO Version) engine.

The Supertech SPRK-M1007BE-RB25N beehive valve spring kit is engineered to provide superior valvetrain stability for high-performance RB25 NEO builds. Unlike traditional cylindrical springs, the beehive design features a reduced top diameter. This allows for the use of smaller, lighter retainers, significantly cutting reciprocating mass. The result is a valvetrain that can handle higher RPMs with improved harmonic resistance and reduced frictional losses.

Designed to withstand the rigors of aggressive camshaft profiles and increased boost levels, this kit is a critical upgrade for any NEO engine undergoing a performance rebuild. It ensures consistent seat pressure and helps prevent valve float at the top of the rev range.

• Manufacturer Part Number: SPRK-M1007BE-RB25N
• Engine Compatibility: Nissan RB25DE / RB25DET NEO (DOHC 24V)
• Spring Style: Beehive for reduced mass and better harmonics
• Application: High-RPM performance and forced induction builds

Optimized for high-RPM reliability, the Supertech SPRK-H200DR Dual Valve Spring Kit is a critical upgrade for Honda B16 and B18C VTEC engines. This kit addresses the limitations of factory valvetrains by providing the increased seat pressure and spring rate required for aggressive camshaft profiles and high-boost applications.

By utilizing a precision-engineered dual-spring design, this kit significantly reduces the risk of valve float and harmonic surge. The included titanium retainers are CNC-machined for an exacting fit and offer a substantial weight reduction over steel components, decreasing reciprocating mass to allow for safer, more responsive engine operation at the redline.

• Vehicle Fitment: Fits Honda B16 and B18C VTEC engines.
• Spring Configuration: High-performance dual valve springs for increased seat pressure.
• Retainer Material: Lightweight, high-strength Grade 5 Titanium.
• Key Function: Prevents valve float and ensures valvetrain stability during high-lift or high-RPM operation.
• Manufacturer Part Number: SPRK-H200DR

Fits Honda F20 and K20A2 engines.

The Supertech SPRK-H1022D Dual Valve Spring Kit is engineered to provide the valvetrain stability required for high-performance Honda engines. By utilizing a dual-spring design, this kit offers increased spring pressure and a higher natural frequency to prevent valve float and bounce at high RPMs, which is critical for engines running aggressive aftermarket camshafts or increased redline limits.

Each component is manufactured to exacting tolerances to ensure consistent seat pressure and reliable performance under extreme thermal and mechanical stress. This kit replaces the factory springs to provide the necessary control for high-lift applications while maintaining the integrity of the valvetrain assembly.

• Engineered specifically for Honda F20 and K20A2 engine platforms
• Dual-spring configuration for superior harmonic damping and RPM capability
• Helps prevent catastrophic engine damage caused by valve float
• Manufacturer Part Number: SPRK-H1022D

Fits Nissan SR20DET engines.

The Supertech Single Valve Spring Kit (SPRK-H1021S-SR20) is engineered to provide the increased seat pressure and spring rates necessary for high-performance valvetrain stability. Designed to prevent valve float during high-RPM operation, these springs are essential for builds utilizing aftermarket camshafts or increased boost levels where factory components cannot maintain control.

Each spring is manufactured from high-quality chrome silicon vanadium steel alloy for maximum durability and resistance to fatigue. This kit ensures reliable valvetrain geometry and timing accuracy by maintaining consistent pressure under extreme thermal and mechanical stress, protecting your engine from potential valve-to-piston contact.

• Engineered specifically for Nissan SR20DET engine applications
• High-tensile chrome silicon vanadium steel construction
• Designed to prevent valve float at higher RPM ranges
• Optimized for use with performance camshafts and high-boost setups
• Manufacturer Part Number: SPRK-H1021S-SR20

Fits Honda F20 and K20 engines. The Supertech Dual Valve Spring Kit (SPRK-H1021D-ST) is designed for high-performance applications where increased camshaft lift and higher RPM limits demand superior valvetrain control. By utilizing a precision-wound dual-spring design, this kit provides the necessary seat and open pressure to prevent valve float, ensuring reliable valvetrain harmonics even under extreme racing conditions.

Supertech valve springs are manufactured from high-quality chrome silicon vanadium steel alloy for improved fatigue resistance and long-term durability. This kit is an essential upgrade for engine builders looking to maintain valvetrain stability in forced induction or high-lift naturally aspirated Honda builds.

• Specifically engineered for Honda F20 and K20 valvetrains
• Dual-spring configuration for maximum RPM stability and harmonic damping
• Constructed from high-tensile chrome silicon vanadium steel
• Direct replacement for high-performance builds requiring increased spring rates
• Manufacturer Part Number: SPRK-H1021D-ST

This Supertech Dual Valve Spring Kit is specifically engineered for high-performance Honda F20 and K20A2 engines. Designed to support aggressive camshaft profiles and high-RPM operation, these springs provide the necessary tension to prevent valve float and ensure precise valvetrain control under demanding racing or street conditions.

Each spring in the SPRK-H1019D kit is manufactured from high-tensile chrome silicon vanadium steel alloy for maximum durability and fatigue resistance. This dual-spring configuration is a critical upgrade for builds requiring increased seat pressure and higher lift capacity over factory components, protecting your engine during high-load cycles.

• Fits Honda F20 and K20A2 engines
• Dual spring design for enhanced valvetrain stability and harmonics control
• Engineered to prevent valve float at high RPM
• Compatible with high-lift performance camshafts
• Manufacturer Part Number: SPRK-H1019D

Engineered for high-performance builds, the Supertech Performance Dual Valve Spring Kit provides the necessary seat pressure and spring rate to support aggressive cam profiles and high-RPM operation in Honda B-Series engines. These dual springs are designed to minimize harmonic vibrations and prevent valve float, ensuring valvetrain stability during track use or high-lift applications.

• Fits Honda B-Series engines (B16, B17, B18, B20 VTEC conversions)
• Dual spring configuration for superior valvetrain control and high-RPM reliability
• Manufactured from high-tensile chrome silicon vanadium steel alloy for durability
• Designed to prevent valve float and maintain seat pressure with aftermarket camshafts
• Complete set of 16 dual valve springs
• Manufacturer Part Number: SPRK-H100DR-ST

Designed for high-revving Honda B16 and B18C engines, the Supertech SPRK-H100DR Dual Valve Spring Kit provides the valvetrain stability required for performance builds and aggressive camshaft profiles. By replacing factory springs with a precision-engineered dual spring setup, this kit significantly reduces the risk of valve float at high RPMs.

The inclusion of lightweight titanium retainers further optimizes engine performance by reducing reciprocating mass. This allows for faster engine response and safer operation near the redline. Each component is manufactured to strict tolerances to ensure consistent seat pressure and long-term durability under race or street conditions.

• Fits Honda B16 and B18C series engines
• Dual spring design for improved harmonic control and higher lift capacity
• Lightweight, precision-machined titanium retainers included
• Essential for high-lift aftermarket camshafts
• Manufacturer Part Number: SPRK-H100DR

Fits Honda F20 and K20A2 engines. This Supertech Beehive Valve Spring Kit (MPN SPRK-H1007BE-2) is engineered for high-performance applications where valvetrain stability is critical at high engine speeds. The beehive design features a tapered top that reduces the reciprocating mass of the retainer and the spring itself, allowing for increased RPM capability and superior harmonic resistance compared to standard cylindrical springs.

• Specifically designed for Honda F20 and K20A2 valvetrain configurations
• Beehive spring profile reduces mass and improves high-RPM harmonics
• Optimized for performance camshaft profiles to prevent valve float
• High-tensile chrome silicon vanadium steel construction for durability
• Complete kit engineered for direct fitment
• Manufacturer Part Number: SPRK-H1007BE-2

The Supertech SPRK-H1007BE-1 Beehive Valve Spring Kit is engineered for high-performance Honda F20 and K20A2 engines. By utilizing a beehive (tapered) design, these springs reduce the reciprocating mass of the valvetrain, allowing for higher RPM limits and increased stability under demanding racing conditions.

This kit replaces standard cylindrical springs to provide better harmonic resistance and minimize valve float. It is an essential valvetrain upgrade for engines running aggressive high-lift camshafts or high-boost forced induction setups where precise valve control is critical.

• Fits Honda F20 and K20A2 engines
• Beehive spring profile for reduced mass and improved harmonics
• Designed to prevent valve float at high engine speeds
• Engineered for increased valvetrain durability and lift capacity
• Manufacturer Part Number: SPRK-H1007BE-1

Engineered for the Honda K24Z7 engine, the Supertech SPRK-H1005D-Z7 Dual Valve Spring Kit provides the valvetrain stability required for high-performance builds. By utilizing a dual-spring configuration, this kit effectively dampens valvetrain harmonics and provides the necessary seat and open pressures to prevent valve float at high RPMs or when running aggressive camshaft profiles.

Precision-manufactured to exacting tolerances, these springs are designed to maintain consistent tension over their service life, ensuring reliable valve timing and preventing catastrophic engine damage caused by valve-to-piston contact. This kit is a direct upgrade for K24Z7 enthusiasts looking to increase their rev limit or support forced induction applications.

• Specifically designed for Honda K24Z7 engines
• Dual-spring design for superior harmonic control and high-lift support
• Critical for preventing valve float in high-RPM applications
• Manufacturer Part Number: SPRK-H1005D-Z7

Fits BMW engines including S42, M42, M50, S50, M52, and M54.

This Supertech dual valve spring kit (SPRK-H1005D-BM) is engineered for high-performance BMW valvetrains that demand stability at high RPMs. By providing increased seat and open pressure, these springs prevent valve float and bounce, allowing you to safely run more aggressive camshaft profiles and higher lift. The dual-spring design adds a critical layer of harmonic damping and ensures valvetrain reliability under the stresses of racing or spirited driving.

• Engineered to prevent valve float in high-RPM applications
• Designed for compatibility with increased camshaft lift
• Provides improved harmonic damping over single-spring setups
• Precision manufactured for consistent spring rates
• Manufacturer Part Number: SPRK-H1005D-BM

Engineered for high-performance applications, the Supertech Dual Valve Spring Kit (SPRK-H1005D) provides the seat pressure and coil bind clearance required for aggressive camshaft profiles and high-RPM operation on Honda H22 engines. This dual-spring configuration is designed to dampen harmonic vibrations and prevent valve float, ensuring valvetrain stability and protecting your engine during spirited driving or competitive racing.

• Fits Honda H22 series engines
• Dual-spring design for superior valvetrain control and high-RPM reliability
• Includes matched springs, retainers, and seats for a complete installation
• Manufacturer Part Number: SPRK-H1005D

Fits Honda D16Z, D16Y8, and D17 engines.

The Supertech SPRK-H1002S Single Valve Spring Kit is engineered to provide the valvetrain stability required for high-performance and high-RPM Honda D-series builds. By increasing seat pressure and control, these springs prevent valve float, protecting your engine during aggressive cam profiles or forced induction applications.

Each spring is manufactured using high-quality chrome silicon vanadium steel alloy for maximum durability and fatigue resistance. This kit is a direct upgrade for street and track setups looking to improve valvetrain reliability and ensure consistent performance under load.

• Manufacturer Part Number: SPRK-H1002S
• Engine Fitment: Honda D16Z, D16Y8, D17
• Spring Type: Single Spring
• Material: Chrome Silicon Vanadium Steel

Fits Honda B16 and B18C engines.

The Supertech SPRK-H1002D Dual Valve Spring Kit is engineered for high-performance B-Series builds that require superior valvetrain stability and increased seat pressure. This kit is a critical upgrade for engines seeing high RPM or aggressive cam profiles, preventing valve float and ensuring precise timing throughout the powerband.

Each spring is manufactured from a premium chrome silicon vanadium steel alloy, designed to resist fatigue and maintain consistent pressure even under extreme thermal stress. The included titanium retainers are CNC-machined for exact tolerances, significantly reducing reciprocating mass compared to factory steel retainers. This weight reduction allows for faster engine response and safer operation at higher rev limits.

• Engine Compatibility: Honda B16 / B18C
• Spring Type: Dual Valve Springs
• Retainer Material: CNC-Machined Titanium
• Construction: High-tensile chrome silicon vanadium steel
• Manufacturer Part Number: SPRK-H1002D

Kit includes a full set of dual valve springs and titanium retainers.

Fits BMW S42, M42, M50, S50, M52, and M54 engines.

The Supertech SPRK-H1000D-BM-ST Dual Valve Spring Kit is engineered for high-performance BMW builds that require reliable valvetrain control at elevated engine speeds. By utilizing a dual-spring design, this kit provides increased seat pressure and superior harmonic damping compared to factory single-spring setups. This configuration effectively prevents valve float and ensures valvetrain stability when running aggressive high-lift camshafts.

• Engineered specifically for BMW 4-cylinder and 6-cylinder valvetrains
• Dual spring configuration for enhanced resonance control and safety
• Designed to accommodate performance high-lift camshafts
• Manufacturer Part Number: SPRK-H1000D-BM-ST

Engineered for high-performance BMW M54 engine builds, the Supertech Dual Valve Spring Kit (SPRK-H1000D-BM-16-ST) provides the critical tension and harmonic dampening needed for high-RPM operation. This dual-spring configuration replaces the factory single-spring setup to prevent valve float and ensure reliable valve seating when using aggressive camshaft profiles or increased boost levels.

• Fits BMW M54 engines
• Dual spring design for superior harmonic control and high-lift capacity
• Set of 16 dual valve spring assemblies
• Precision-wound from high-cleanliness chrome silicon steel
• Designed to handle increased seat pressure for race and street performance
• Manufacturer Part Number: SPRK-H1000D-BM-16-ST

Ensure valvetrain stability and prevent catastrophic valve float with the Supertech SPRK-H1000D-BM Dual Valve Spring Kit. Designed specifically for high-performance BMW 4-cylinder and 6-cylinder engines, this kit is an essential upgrade for builds utilizing aggressive camshaft profiles or operating at elevated RPM ranges where factory springs lose control.

The dual spring configuration provides increased seat pressure and superior harmonic damping compared to single-spring setups. This design ensures that the valves follow the cam lobe precisely, maintaining power through the top end and protecting your engine during high-load track use or forced induction applications.

• Fits BMW M42, M50, M52, M54, S42, and S50 engines.
• Engineered for high-RPM stability and increased valve lift tolerance.
• Dual spring design for improved harmonic control and valve seating.
• Manufacturer Part Number: SPRK-H1000D-BM

Protect your valvetrain against the risks of valve float with the Supertech Dual Valve Spring Kit (SPRK-H1000D), specifically engineered for the Honda H22 engine series. This kit is a critical upgrade for high-performance builds involving aggressive camshaft profiles, forced induction, or elevated rev limits where factory single springs often reach their mechanical limits.

By utilizing a dual-spring design, Supertech provides superior harmonic damping and increased seat pressure required to maintain precise valve control. This ensures the valves remain in contact with the cam lobes at high RPMs, preventing loss of power and potential engine damage.

• Fits Engine: Honda H22
• Spring Configuration: Dual Valve Springs
• Part Number: SPRK-H1000D
• Applications: High-RPM, forced induction, and performance racing
• Material: High-quality chrome silicon vanadium steel alloy

Engineered for the high-performance demands of the BMW N54 engine, the Supertech Conical Valve Spring Kit provides the valvetrain stability necessary for high-boost and high-RPM applications. The conical design reduces reciprocating mass at the retainer end while offering superior harmonic damping compared to standard cylindrical springs.

This kit is a direct solution for preventing valve float and ensuring consistent valve seating under extreme conditions. Whether you are running upgraded turbochargers or aggressive camshaft profiles, these springs provide the tension required to maintain valvetrain integrity and prevent catastrophic engine failure.

• Engine Compatibility: BMW N54
• Spring Design: Conical
• Spring Rate: 7.25 lbs/mm
• Manufacturer Part Number: SPRK-FE20N54-BE-2
• Purpose: High-RPM stability and valve float prevention

Upgrade your valvetrain with the Supertech SPRK-FE20N54-BE Conical Valve Spring Kit, specifically engineered for the BMW N54 24V 3.0L engine. Designed for high-performance applications, these conical springs offer improved harmonics and reduced reciprocating mass compared to traditional cylindrical designs, ensuring stable valve control at higher RPMs.

This kit is a direct performance upgrade that maintains compatibility with your factory valve stem seals, simplifying the installation process while providing the increased seat pressure and spring rate consistency needed for forced induction or high-revving builds. Supertech's precision manufacturing ensures these springs maintain their tension over the long term, protecting your engine from valve float.

• Engine Fitment: BMW N54 24V (3.0L)
• Spring Design: Conical for reduced mass and improved harmonics
• Seal Compatibility: Use with factory valve stem seals
• Manufacturer Part Number: SPRK-FE20N54-BE

Fits select Ford and Mazda Duratec engines (2.0L / 2.3L).

The Supertech Beehive Valve Spring Kit is engineered to enhance valvetrain stability and performance for high-RPM Duratec applications. The beehive spring profile features a smaller top diameter, which reduces the reciprocating mass of the retainer and spring. This design offers superior harmonic resistance compared to standard cylindrical springs, allowing for increased lift and more consistent valve control under aggressive cam profiles.

This kit is specifically designed for builders looking for a high-performance upgrade that integrates with existing factory components, significantly simplifying the installation process while maintaining tight tolerances.

• Manufacturer Part Number: SPRK-FE20BE
• Engine Fitment: Ford/Mazda Duratec (2.0L / 2.3L)
• Spring Style: Beehive
• Compatibility: Designed for use with OEM Retainers and OEM Seats
• Application: High-performance street and track use

Fits BMW S63 V8 engines.

The Supertech SPRK-BMS63B Conical Valve Spring Kit is engineered to meet the demands of high-performance BMW S63 builds. By utilizing a conical profile, these springs reduce reciprocating mass at the retainer end, significantly improving valvetrain harmonics and preventing valve float at higher RPM and boost levels.

This kit is specifically calibrated with distinct seat pressures for the intake and exhaust sides to ensure precise valve control and timing. These springs are designed to be a durable solution for enthusiasts looking to strengthen their valvetrain while maintaining reliable operation under stress.

• Manufacturer Part Number: SPRK-BMS63B
• Spring Profile: Conical
• Intake Seat Pressure: 80 lbs
• Exhaust Seat Pressure: 83 lbs
• Engine Application: BMW S63 V8

Fits Audi and VW 30V 6-cylinder engines (2.7T).

Engineered for high-performance applications, the Supertech SPRK-AUDI2.7T Valve Spring Kit provides the valvetrain stability required for high-boost and high-RPM builds. This kit is specifically designed for the 30-valve 2.7T engine, replacing the factory springs with high-tensile chrome silicon vanadium steel alloy components that offer superior resistance to fatigue and thermal stress.

By increasing seat pressure and optimizing coil bind heights, these springs prevent valve float and ensure reliable valve seating when running aggressive camshaft profiles or increased manifold pressure. This is a critical upgrade for B5 S4 and C5 A6/Allroad owners seeking to push their valvetrain beyond factory limits.

• Compatible with Audi/VW 30V 6-cylinder engines
• Includes both single and dual spring configurations as per application requirements
• Manufactured from high-quality chrome silicon vanadium steel alloy
• Designed to prevent valve float in high-performance engines
• Manufacturer Part Number: SPRK-AUDI2.7T

Fits VW and Audi 20V 4-cylinder models (1.8T).

The Supertech SPRK-AUDI18T-DR Dual Valve Spring Kit is engineered for high-performance 1.8T engines where increased boost levels and higher RPM limits are required. By utilizing a dual-spring design, this kit provides the necessary seat pressure and coil bind clearance to prevent valve float, ensuring valvetrain stability during aggressive driving and track use. These springs are manufactured from high-quality chrome silicon steel to maintain tension and resist fatigue over time.

• Specifically designed for VW/Audi 1.8T 20-valve 4-cylinder engines
• Dual-spring configuration for superior harmonic damping and stability
• Reduces the risk of valve float at high RPM and elevated boost pressures
• Constructed from high-tensile chrome silicon steel
• Manufacturer Part Number: SPRK-AUDI18T-DR

This Supertech Dual Valve Spring Kit is engineered specifically for high-performance VW and Audi 1.8T 20V 4-cylinder engines. Designed to provide the increased seat pressure and lift capacity required for aggressive camshaft profiles and high-boost applications, this kit effectively prevents valve float at high RPMs to maintain valvetrain stability and engine reliability.

By utilizing a dual-spring design, this kit offers superior harmonic damping and fatigue resistance compared to standard single-spring setups. It is an essential upgrade for builders seeking to maximize the power band of the 1.8T platform while ensuring the valvetrain can handle the stresses of increased lift and rapid cycling.

• Engine Fitment: VW/Audi 1.8T 20V 4-Cylinder (1.8T)
• Spring Type: Dual Valve Spring
• Included: Complete set of inner and outer springs
• Manufacturer Part Number: SPRK-AUDI18T