Items can take up to 10 business days to ship.  This includes drop shipped orders.  In-stock means the parts are ready to be configured to fit your order.

About us

JWest Engineering was formed in 2003 to produce and distribute our flagship product, the RennShift shifter.  The RennShift was originally designed for the side-shift Porsche 914, for which no high-end shifter was available.  The first shifter sold was actually the 911 configuration, however, installed in a '79 911 SC.

James, the owner/operator of JWest Engineering, began working on cars at age 13.  His first car was a VW beetle that he built from the ground-up.  A family friend gave him a 901 4-speed transmission, which he adapted to the bug.  Soon he found a 5-speed core and upgraded, along with creating a custom spring-gated shifter.  That was the genesis for what would become the RennShift 20 years later.

James went on to build and modify all types of custom and performance vehicles, running a shop working on everything from early Ford hotrods, Jaguar V8 conversions, Corvette restorations, to Muscle Car engine builds, and cars as varied as T-Bird to Lotus. He has performed work from bare-metal repaints to custom EFI systems.

With an Aerospace Engineering degree put into practice on major aircraft projects and loads of hands-on experience, James produces top-quality components that perform.

All JWest Engineering parts are manufactured and assembled in the US. 


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