11589123 Ecotec Balancer Mounting Bolt...

This is our new WERKSracing bottleneck adapter that allows you to connect a -6 AN fitting to your stock fuel feed line. Comes finished in natural aluminum and plugs right into the factory feed line a...

This is our WERKSracing T850 Case End Housing 10.9 Bolt Kit. Comes complete with 12 M8 flange head Zinc Chromate Plated 10.9 bolts. Provides more clamping force due to larger flange head design and ...

Replace your old worn or noisy Kappa pilot bearing with this new GM Kappa Pilot Bearing. A must when doing clutch or transmission service....

WERKSracing Kappa LSx V8 Conversion Wiring Harness and Re-Programming of your OEM 2.4L ECM package! This custom built harness and ECM re-programming package allows you the shadetree mechanic to begin...

In our continuing improvement of the GM LNF/LDK/LHU engine platform is the WERKSracing LNF/LDK/LHU Throttle Body Spacer!!! The High Temp HDPE material lessens heat transfer between the aluminum throt...