5 Bar Motorsport MAP Sensor (Stainless Steel Diaphragm) Thread: 1/8 NPT

High-Boost Authority: 5 Bar Motorsport MAP Sensor

In high-end performance electronics, the MAP sensor is the primary sentinel of manifold pressure. The 5 Bar Motorsport MAP Sensor is a precision instrument engineered for engines producing massive boost levels, up to approximately 58 PSI. Featuring a military-grade Stainless Steel Diaphragm, this sensor provides the high-fidelity data needed for your standalone ECU integration to manage fuel mass and timing with laboratory precision. It is the definitive choice for 1000+ HP 2JZ, RB26, and LS-swap builds where standard MAP sensors fail due to mechanical stress or range limitations.

Engineering Principles: Piezoresistive Stainless Technology

The core of this 5 Bar sensor is a piezoresistive sensing element bonded to a stainless steel diaphragm. This architecture replaces the fragile silicon diaphragms found in standard sensors, offering unmatched resistance to pressure spikes and chemical corrosion from ethanol fuels. This Analogue-to-Digital interface allows the ECU to maintain absolute timing accuracy and detonation protection by identifying manifold pressure changes with microsecond latency. The 1/8 NPT thread provides a robust, leak-proof mechanical connection, essential for maintaining signal integrity during extreme high-boost pulls.

Operational Benefits for extreme Turbocharging

Integrating a 5 Bar Motorsport sensor with a Haltech Elite or Nexus series ECU enables advanced closed-loop boost control strategies. For the tuner, the resolution of this sensor allows for the fine-tuning of Maximum Brake Torque (MBT) timing in every boost cell of the fuel map calibration. A critical Note for this sensor is that it must not be mounted directly to the inlet manifold; to ensure survival in competition, it must be remote-mounted and connected via a flexible hose (such as HT-039103). This isolation protects the internal electronics from the destructive engine harmonics found in high-performance engines.

Installation and Professional Integration

This 5 Bar sensor is a universal performance upgrade and includes the matching Delphi plug and 3 pins for a professional harness integration. It is fully compatible with Haltech software and can be easily configured via a 0-5V calibration table. The sensor is individually electronically tested before packaging to ensure it delivers a rock-solid timing reference cell-by-cell. During installation, the builder should use a high-quality Fragola or similar braided hose to connect the manifold port to the remote-mounted sensor, ensuring a clean and weatherproof finish that meets motorsport standards.

Technical Specifications Table

Summary & Includes

The 5 Bar Motorsport MAP Sensor is the definitive choice for high-pressure forced induction. Includes: 1 x 5 Bar Sensor and 1 x Matching Delphi Plug/Pins set. Note: Mandatory remote mounting is required to protect the stainless sensing element from engine vibration.