Very compact design,Can be mounted in various positions to suit your build requirements. This is an upgrade for that 20+year old factory cam angle sensor. This item is for a set of six brand new Bosch 1000cc/min fuel injectors to suit Nissan Skyline R32 RB20DE, RB20DET and RB25DE engines. Rb20 camshaft upgrades Fits all Nissan RB20 powered vehicles.