ZZPerformance

Dress up your engine bay with our M90 vacuum port block off plate. We designed this plate specifically with Fiero 3800 swapped cars in mind to incr...

This is our latest design which has even more improvements, for example: Straight through PCV passages, this revision no longer requires swapping t...

This is a custom hand built heat exchanger that is intended for when you add a liquid to air intercooler to your W-Body. They are bolt in with no c...

The ZZPerformance catback system is the best exhaust money can buy for the LS4 Grand Prix. Constructed of stainless tubing and flanges, the ZZPerfo...

A soft, lightweight, and very high quality tank top with a throwback ZZPerformance design. Carbon Neutral 50% Polyester from recycled bottles. Eac...

Stock downpipes are double-walled tubing with an inside diameter of just over two inches. Gains of over 10HP have been seen along with a substantia...

They will correct valvetrain geometry in heads using LSx length valves. Sold as a pair. .060" thickness

Finally an affordable upgraded flexplate for your Series II and III 3800 car with the 4t65e transmission. It has both torque converter bolt pattern...

Based on the popular Bosch design, the ZZP high output intercooler pump is a direct replacement/upgrade to your existing Bosch pump. It will wo...

After 2 years of severe testing in the LS market, we are releasing these in the 3800 market as our high performance lifter, superior to the common ...

Unlike mild steel systems like the Pacesetter, which has an expected life of 2 years in northern states, this exhaust system has been built constru...

Now you can represent your favorite auto parts company on your keychain! These jet tags have the "ZZP" logo on one side and "ZZPerformance" on the...

A high quality premium fleece "jogger style" sweatpant that is perfect for fall, springtime, or late night drives. Features an aggressive ZZP logo ...

The stock L32 supercharger gasket is made from compressed paper and needs to be replaced with each install unless you block off the coolant passage...

Our ZZP throttle body spacer will insulate your TB from residual heat and blocks the coolant passages to the throttle body. Keeping your TB cool wi...

Custom ZZPerformance lanyard. Available in Red with black "ZZP" ('red' option) or black with white "ZZP" ('white' option). 5/8" in width. Sold Indi...

Our ZZPerformance V28 LED bulbs are a massive upgrade over previous style LED bulbs. The V28 features an extremely slim dual ball bearing fan assem...

Proud of that engine you built and maintain? Now you can take a part of it wherever you go! Grab one, or all 3, limited LNF Valve cover stickers. H...

This is a laser cut ZZP logo out of cardboard. This is a replica of what we use to apply the ZZP logo to our Stage 3 heat exchangers. We are starti...

These ZZP LS4 10MM Performance Ignition Spark Plug Wires have been improved to be more durable and give you a more powerful spark for your money. ...

Replace your old rusty and crusty lug nuts with our set of open ended racing style lug nuts. These lug nuts are a standard M12 x 1.5mm thread pitch...

The stock M90 vacuum cap (often called a vacuum tree) is constructed of plastic and always breaks over time. Our ZZP M90 vacuum cap is made of cast...

Spice up your engine bay with our ZZP M90 billet bypass valve. Constructed from billet aluminum with a serviceable diaphragm, the ZZP billet valve ...