GM H-Body Knock Sensor

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.