Fits 1992-2001 Acura Integra and Honda Civic (B16A/B / B18C) with VTEC cylinder heads.

The Skunk2 Black Series Billet VTEC Solenoid is the industry's first solution for builders looking to replace the factory solenoid with a durable, high-performance alternative. Designed for use with B16A/B or B18C cylinder heads, this solenoid is fully compatible with Honda's original pressure sensor, solenoid internals, and gaskets, ensuring a straightforward installation that maintains OEM reliability.

Precision-manufactured from 6061 billet aluminum, each solenoid features a smooth, machined body and a hard-anodized Black Series finish for superior corrosion resistance and longevity. The design includes flush-mounted hardware, providing a clean, professional appearance in the engine bay that matches Skunk2's racing-grade components. This part is a direct replacement for worn factory units, adding a precise finishing touch to any high-performance Honda B-series build.

• CNC-machined from 6061 billet aluminum
• Durable Black Series hard-anodized finish
• Maintains compatibility with factory pressure sensor, internals, and gasket
• Includes flush-mounted hardware for a clean aesthetic
• US Patent No. D658593
• Manufacturer Part Number: 639-05-0105

The Turbosmart TS-0223-3005 is a precision-engineered replacement solenoid designed specifically for the Kompact EM VR9 series of blow-off valves. This component is critical for maintaining the lightning-fast response times and reliable electronic integration that the Kompact EM line provides, ensuring your forced induction system manages boost pressure accurately.

• Direct replacement solenoid for Turbosmart Kompact EM VR9 series valves
• Restores factory-level electronic actuation and boost control performance
• Constructed to withstand high-temperature engine bay environments
• Maintains plug-and-play compatibility with existing EM series wiring
• Manufacturer Part Number: TS-0223-3005

The Snow Performance Hi-Flow Solenoid (SNO-40060-BRD) is a critical safety upgrade for water-methanol injection systems. This high-flow solenoid is engineered to lock fluid in place whenever the system is not actively injecting, preventing siphoning and unintended flow caused by gravity or engine vacuum. This is an essential component for vehicles with rear-mounted reservoirs or setups where the injection nozzle is positioned lower than the water-meth tank.

Designed for seamless integration into systems using 4AN stainless steel braided lines, this solenoid installs in-line between the pump and the injection point. Beyond safety, it can be utilized to manage a second stage of water-methanol injection when paired with Snow Performance VC-50 or Stage 3 controllers. The robust construction ensures reliable performance under high pressure, providing peace of mind for high-performance street and track applications.

• Prevents siphoning in rear-mount reservoir or vacuum-heavy configurations
• Ensures 100% safety by locking fluid when not in use
• Compatible with all injection systems utilizing 4AN stainless steel braided lines
• Enables second-stage injection control with VC-50 and Stage 3 systems
• Includes (2) 4AN fittings for secure installation
• Manufacturer Part Number: SNO-40060-BRD

The Snow Performance High Flow Solenoid (SNO-40060) provides essential safety and precision control for water-methanol injection systems. This solenoid acts as a positive shut-off valve, preventing siphoning and gravity-fed fluid flow in setups where the reservoir is rear-mounted, the injection point is under vacuum, or the nozzle sits lower than the fluid tank. By locking fluid in place when the system is inactive, it protects the engine from accidental fluid ingestion and ensures consistent injection performance.

Engineered for versatility, this high-flow unit is compatible with all water-methanol kits and can also be used to manage a second stage of injection on systems equipped with Snow Performance VC-50 or Stage 3 controllers. The solenoid installs in-line between the pump and the injection point for a secure, leak-free configuration.

• High-flow internal design to maintain system pressure and volume
• Prevents siphoning and gravity feeding in rear-mount or low-nozzle applications
• Enables dual-stage injection control with VC-50 and Stage 3 systems
• Includes (2) 1/4-inch Quick-Connect fittings for straightforward installation
• Manufacturer Part Number: SNO-40060

Fits 2000-2009 Honda S2000 Base and CR models (F20C1 / F22C1).

The Skunk2 Black Series Billet VTEC Solenoid is the industry's first dedicated billet housing designed specifically for Honda F20C1 and F22C1 cylinder heads. Precision-machined from 6061-T6 billet aluminum, this housing provides a significant aesthetic upgrade over the factory casting while maintaining full compatibility with the original Honda pressure sensor, solenoid internals, and gasket. This component is part of Skunk2’s Fine Tuning accessory line, utilizing the same hard-anodized finish and manufacturing tolerances found in their professional racing components.

• Manufactured from 6061-T6 billet aluminum for superior strength
• Durable Black Series hard-anodized finish
• Maintains compatibility with OE solenoid internals and factory gaskets
• Uses the original Honda pressure sensor for a plug-and-play installation
• Includes flush-mounted hardware and a smooth, machined body
• US Patent No. D676393
• Manufacturer Part Number: 639-05-0305

Fits 1993-2001 Honda Prelude Base, Si, Type SH, and VTEC models equipped with H-series engines.

Skunk2’s Black Series Billet VTEC Solenoid is the first solution of its kind designed specifically for the H22A cylinder head. Precision CNC-machined from 6061 billet aluminum and finished in a durable black hard-anodized coating, this housing provides a clean, low-profile aesthetic while maintaining factory reliability. It is engineered as a direct replacement, utilizing the original Honda pressure sensor, solenoid internals, and gasket for a straightforward installation.

Refining the engine bay with the same manufacturing standards as Skunk2 racing components, each unit features a smooth, machined body and includes flush-mounted hardware to eliminate the bulky appearance of the factory casting.

• Precision CNC-machined from 6061 billet aluminum
• Durable Black Series hard-anodized finish
• Compatible with OEM pressure sensor, internals, and gasket
• Includes flush-mounted mounting hardware
• US Patent No. D684937
• Manufacturer Part Number: 639-05-0205

Fits 1992-2001 Acura Integra (GS-R, Type R), 1999-2000 Honda Civic Si, and 1994-1997 Civic del Sol VTEC with B16A/B or B18C cylinder heads.

The Skunk2 Hard Anodized Billet VTEC Solenoid is the professional's choice for adding a durable, high-performance finishing touch to B-series VTEC engines. Precision-machined from 6061 billet aluminum, this solenoid features a smooth, streamlined body and a hard-anodized finish for maximum resistance to wear and engine bay heat. This component is designed to be fully compatible with your original Honda pressure sensor, solenoid internals, and gasket for a straightforward installation that maintains factory-level reliability.

• Manufactured from high-strength 6061 billet aluminum
• Durable hard-anodized finish for superior corrosion resistance
• Low-profile, flush-mounted mounting hardware included
• Compatible with OEM pressure sensors, internals, and gaskets
• Optimized for B16A/B and B18C VTEC cylinder heads
• US Patent No. D658593
• Manufacturer Part Number: 639-05-0100

The Nitrous Express Mainline Stainless Steel Nitrous Solenoid (MPN: MAINLINEN2O) delivers reliable, high-pressure control for your nitrous oxide system. Built with a durable stainless steel body to resist corrosion and withstand the thermal stresses of N2O delivery, this solenoid is a critical component for ensuring consistent activation and flow.

Featuring a precision-machined .078-inch orifice, this solenoid is designed for efficiency and rapid response. It serves as a direct replacement for components in Nitrous Express Mainline kits or as a high-quality upgrade for custom nitrous builds requiring a dependable stainless steel valve.

• Manufacturer Part Number: MAINLINEN2O
• Material: Stainless steel body for superior corrosion resistance
• Orifice Size: .078 in.
• Product Line: Mainline Series
• Application: Nitrous Oxide (N2O) flow control

The Nitrous Express Lightning 375 (MPN 15375L) is engineered as a high-capacity, progressable nitrous solenoid designed for serious competitive applications. Featuring a true .375-inch orifice and a specialized flow path with only a single internal 90-degree turn, this solenoid effectively minimizes nitrous boiling. By delivering a denser form of liquid nitrous to the engine, it ensures a cleaner-running system that is easier to tune and more consistent under demanding conditions.

• Maximum Flow: Engineered to flow three times more nitrous than standard solenoids for high-horsepower requirements.
• Progressive Compatibility: Designed for electronic progression, allowing for precise control of nitrous delivery throughout the run.
• Integrated Purge Port: Features an integral purge port that draws pure nitrous across the inlet orifice to ensure repeatable solenoid reaction times.
• Durable Construction: Built to handle high-pressure environments while maintaining thermal efficiency to prevent cavitation.

Technical Specifications:

• Manufacturer Part Number: 15375L
• Orifice Diameter: .375 in
• Inlet Size: Accepts up to 10AN fittings
• Outlet Size: Accepts up to 6AN fittings
• Flow Path: Single 90-degree internal turn

The Nitrous Express Lightning Series Pro-Power Nitrous Solenoid (15300L) is engineered for maximum weight savings and high-volume flow in performance nitrous systems. Featuring a CNC-machined aluminum body topped with a genuine carbon fiber can, this solenoid provides the durability needed for competition while significantly reducing overall mass.

Designed for professional-grade setups, the Pro-Power solenoid is rated to support up to 500 horsepower. It features a unique bottom-exit design that ensures superior flow characteristics compared to standard side-exit solenoids. Each unit includes an integrated purge or bypass port, simplifying your plumbing by eliminating the need for extra fittings or adapters.

• Manufacturer Part Number: 15300L
• Series: Lightning Series Pro-Power
• Performance Rating: Supports up to 500 HP
• Construction: CNC aluminum body with lightweight carbon fiber can
• Flow Design: High-flow bottom exit
• Porting: Integrated purge/bypass port built-in
• Origin: Made in the USA
• Warranty: Limited Lifetime Warranty

The Nitrous Express 15201L Lightning Series Stage 6 Gasoline Solenoid is engineered for racers seeking maximum weight savings and high-volume fuel delivery. This solenoid features a precision CNC-machined aluminum body topped with a carbon fiber can, providing a significant weight reduction over standard steel-bodied solenoids without sacrificing durability.

Designed for high-performance gasoline applications, the Stage 6 solenoid utilizes a specialized bottom-exit design to ensure a clean, unobstructed flow path. Each unit includes an integrated purge/bypass port directly in the solenoid body, allowing for simplified plumbing of purge lines or bypass circuits. Made in the USA, these solenoids are built to withstand the rigors of competitive use.

• Series: Lightning Stage 6
• Orifice Size: .187 inch
• Application: Gasoline
• Material: CNC-machined aluminum body with Carbon Fiber cover
• Flow Path: High-flow bottom exit
• Porting: Integrated bypass/purge port
• Manufacturing: Made in the USA
• Warranty: Limited Lifetime Warranty
• Part Number: 15201L

The Nitrous Express Lightning Series Stage 6 Nitrous Solenoid (15200L) is engineered for high-performance applications requiring up to 300 horsepower. Designed with a focus on weight reduction and flow efficiency, these solenoids feature CNC-machined aluminum bodies topped with carbon fiber cans, providing a significant weight advantage over traditional designs without sacrificing durability.

• Flow-Optimized Design: Features a bottom exit for maximum flow capacity and an integrated purge or bypass port built directly into the body.
• Lightweight Construction: CNC-machined aluminum body and carbon fiber housing for the ultimate in weight savings.
• Reliability: Manufactured in the USA using high-quality internal components to ensure consistent activation under pressure.
• Performance Rating: Flow capacity suitable for systems up to 300 HP.
• Warranty: Includes a Limited Lifetime Warranty on the solenoid.

The Nitrous Express Lightning Series Stage 1 Gasoline Solenoid (15101L) is engineered for performance-critical fuel systems where weight reduction and flow efficiency are paramount. Each solenoid features a precision CNC-machined aluminum body topped with a lightweight carbon fiber canister, offering significant weight savings without compromising durability.

Designed with a bottom exit for optimized flow, the Lightning Series solenoid includes an integrated purge or bypass port directly in the body. This configuration allows for cleaner plumbing and more consistent fueling. Manufactured in the USA, these solenoids are built to withstand the rigors of racing while ensuring reliable activation.

• Manufacturer Part Number: 15101L
• Orifice Size: .125-inch
• Body Material: CNC-machined aluminum
• Canister Material: Carbon fiber
• Integrated purge/bypass port for simplified plumbing
• Bottom exit design for maximum flow efficiency
• Made in the USA
• Limited Lifetime Warranty

The Nitrous Express Lightning Series Stage One nitrous solenoid (MPN 15100L) is engineered for performance-oriented builds where weight and flow efficiency are critical. Constructed with a CNC-machined aluminum body and a lightweight carbon fiber can, this solenoid significantly reduces mass while maintaining high-pressure integrity.

This solenoid features an integrated purge or bypass port built directly into the body, simplifying plumbing by eliminating the need for extra fittings. The bottom-exit flow design provides a more direct path for the nitrous compared to standard solenoids, ensuring maximum flow rates. Manufactured in the USA, this component is built to withstand the rigors of racing applications.

• Manufacturer Part Number: 15100L
• Orifice Size: .063
• Construction: CNC-machined aluminum body with carbon fiber housing
• Port Design: Integrated purge/bypass port
• Flow Path: High-flow bottom exit design
• Origin: Made in the USA
• Warranty: Manufacturer Limited Lifetime Warranty

The Haltech HT-020401 4-Port Boost Control Solenoid provides precise manifold pressure management for high-performance turbocharged applications. Unlike a standard 3-port solenoid, this 4-port configuration allows for a much wider range of boost control, making it ideal for setups requiring very low wastegate spring pressure while still achieving high peak boost levels.

• Configuration: 4-port solenoid for advanced dual-port wastegate control
• Thread Pitch: 1/8 NPT inlet and outlet ports
• Operating Frequency: Optimized for 33Hz (PWM)
• Compatibility: Designed for use with Haltech Elite and Nexus series or other standalone ECUs
• Manufacturer Part Number: HT-020401

This solenoid is an essential component for racers using CO2 or manifold pressure to control the top port of the wastegate, ensuring stable and repeatable boost targets throughout the RPM range.

The Haltech HT-020400 is a high-performance 3-port boost control solenoid designed for precise wastegate management in turbocharged applications. This solenoid operates at a 33Hz frequency, providing the responsive control necessary for stable boost curves and fine-tuned manifold pressure when managed by an aftermarket ECU.

Designed for professional-grade installation, the kit includes a rubber-isolated mount to protect the solenoid from engine harmonics and vibration. It also features a complete set of Deutsch DTM-2 connectors to ensure a secure, moisture-resistant electrical connection in the engine bay.

• Configuration: 3-Port Solenoid
• Thread Size: 1/8 NPT
• Frequency: 33Hz
• Electrical: Includes matching Set of Deutsch DTM-2 Connectors (HT-031012)
• Hardware: Hose fittings and rubber isolated mount included
• Manufacturer Part Number: HT-020400

Fits select 2011-2017 Ford F-150 and Mustang models (5.0L).

Engineered for high-performance and competitive racing applications, these Ford Racing Variable Cam Timing (VCT) solenoids provide a significant durability upgrade over original equipment. Designed to withstand the rigors of track use, these solenoids feature a reinforced mounting provision, ensuring reliable timing control and increased structural integrity compared to standard OEM components.

These units are produced by the original equipment manufacturer to minimum allowable tolerances, guaranteeing a precise fit and factory-level performance under extreme conditions. They are a recommended upgrade when installing or servicing high-performance oil pump systems.

• Replaces factory VCT solenoids with a more robust, racing-grade design
• Enhanced mounting provision for increased strength in high-stress applications
• Produced to strict OEM tolerances for maximum reliability
• Must be installed in the factory oil pump
• Compatible with 5.0L Coyote Oil Pump Install Kit (M-6600-A50PKIT)
• Suitable for use with competition pumps M-6600-50CJ or M-6600-M52
• Manufacturer Part Number: M-6297-M50A
• Made in the USA