Knock Sensor

Bosch Motorsport KS4-P Knock Sensor with Connector Kit
 
A genuine Bosch Motorsport KS4-P knock / detonation sensor for standalone ECU and motorsport engine management applications.
 
The KS4-P is a wideband-style knock sensor designed to detect engine knock and combustion noise so your ECU can monitor knock activity and apply protection or tuning strategies when supported.
 
Features
Genuine Bosch Motorsport KS4-P sensor
2-pin Bosch EV1-style connection
Compact, rugged motorsport design
Suitable for use with standalone ECUs with knock detection capability
Great for custom engine builds and ECU conversions
 
Kit Includes
Bosch Motorsport KS4-P knock sensor
2-pin mating connector
Correct terminals
Wire seals
 
Compatible with many standalone ECU systems including MaxxECU, Link ECU, Haltech, MoTeC, and others, provided the ECU supports external knock sensor inputs.