We are proud to release our new WERKSracing Ecotec Titanium Retainers for the GM Ecotec engines! These new Titanium retainers have been in development for some time now and have proven to be very r...

Sparco 600 Series Seat Base Polaris Slingshot (Passenger) Sparco Seat Bases utilize the factory seat mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All sea...

Sparco 600 Series Seat Base Polaris Slingshot (Driver) Sparco Seat Bases utilize the factory seat mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat b...

H&R Sport Springs are lowering springs that replace your factory springs. These springs lower your vehicle’s height to improve looks and handling. H&R Sport Springs are made of quality materials and p...

These WERKSracing Balance Shaft Delete Inserts install in the Counter Balance Bearing to block the oil passage that feeds the bearing. Feeatures - Precision machined from 6061 Aluminum billets ...

This is it, The Ultimate LNF Bolt on turbo upgrade, the WERKSracing WR-4-EG Bolt on LNF Turbo Upgrade is here!!! New for 2018 we are now offering our exclusive external wastegate design that eliminat...

Our race proven WERKSracing Forged LE9 Long Block Assembly is now available for your LE9 Polaris Slingshot! Available in several combinations for a high reving NA build to a super strong low compress...

Our race proven WERKSracing Forged LE5 Long Block Assembly is now available for your LE5 Solstice or Sky! Available in several combinations for a high reving NA build to a super strong low compressio...

12620540 Ecotec LNF Spark Plug IRIDIUM 41-108 Priced per set of 4 Replaces 12617309...

After year of testing and constant inmprovements we are excited to introduce our new WERKSracing LNF/LHU/LDK Ecotec ported cylinder head program! Features - ...