NRG Knurl Hidden Gem Shift Knob Short Red - SK-800RD Mens 20 The larger top hat allows

The larger top hat allows us to use a larger stiffer spring to increase pressure and allow a more accurate adjustment

We highly recommend this kit for older cars using high performance fuel pumps

The maps designed for 93 octane are the most aggressive

The All-New Boost Tee by Turbosmart is the best value upgrade for your Turbocharged engine

or you can choose to purchase the optional plug-n-play adaptors which will convert from the type of plugs on these injectors to the plugs on your harness without any need for cutting or soldering

NRG Knurl Hidden Gem Shift Knob Short Red - SK-800RD Mens 20 The larger top hat allowsKNURL HIDDEN GEM SHORT Our Hidden Gem shift knob is designed to give you the absolute BEST grip possible, while offering some utility go along with that. Featuring a knurled 6061 aircraft grade aluminum body, and removable screw on cap, you'll be able to stash extra cash, documents, or even add weights inside and make your own heavyweight shift knob (weights not included). They are available with 4 different adapters being M10 and M12 with thread