GM 12589867 KNOCK SENSOR SUITS LS1 V8 EVO Start tuning and running diagnostics

Start tuning and running diagnostics on your supported Honda powersports vehicle with HP Tuners’ 4-pin or 6-pin OBDII Adapter Cable

Currently offering springs for circle track

EngCode: P4AT

and other particulates

CNC-machined ports for optimized airflow into engine cylinders

GM 12589867 KNOCK SENSOR SUITS LS1 V8 EVO Start tuning and running diagnosticsACDelco GM Genuine Parts knock sensors are the GM recommended replacement for the vehicles original component. They monitor the engine for pinging or spark knock. The sensors create a voltage signal based on the vibrations caused by erratic air fuel mixture combustion. The engine control module then uses that signal to adjust the ignition timing and air fuel mixture. These GM Genuine Parts knock sensors have been manufactured to fit your GM vehicle,