speed-signal-interface-sn74z transmission-gaskets then heat-treated for extra strength

then heat-treated for extra strength and plated with a durable finish

Rock Key Blank Gray

6L V8 1960 - 1963 GMC 2500 Series   283/4

2000-2006 Chevrolet Tahoe 294 CID

13/8 V 1984 GMC G3500 3

speed-signal-interface-sn74z transmission-gaskets then heat-treated for extra strengthOverview: Classic Instruments Speed Signal Interface Speed Signal Interface (Converts VSS ECM speed signals to either 8k or 16k PPM) The SN74Z has the following features when used as a Speedometer interface. Input Source Options Three wire pulse signal generator input source Built in Vehicle Speed Sensor (VSS) input source Most Tremec transmissions Later model 700R4's Typically a sine wave signal Two wire pulse signal generator input source Classic