Custom Mail Order TuneNeed your 1998 2018 GM Vehicle Custom Tuned? We've got your covered! Order a Spike Performance mail order tune now and receive it in just 5 7 business days! Mail us the PCM ECM and we will load a custom calibration into it via a bench harness and mail your pcm back. If you can't afford down time we also sell pcm ecm's with either stock tunes or custom tunes for your application. E Mail tuning is available as well. Remote tune fee includes minor bolt

These cams work great without a converter

All JBA long tube headers feature large mandrel-bent

304 Natural Stainless Steel

in most cases

so no handling is needed once you get it

Outlet Flanges and Clamps

This eliminates lean spikes caused by trapped air between your fuel pressure regulator and the fuel solenoid

GM Head Gaskets 5

Boost Juice

Nitrous Express only uses the highest quality

325 orifice and an improved flow path with only one 45 degree turn

Drag Strip Use only