zzperformance

This is a full set of ZZPerformance high RPM lash adjusters, also known as lifters. These are short travel lash adjusters, specifically designed by...

It's no secret that the stock cams are severely undersized when making anything more than stock power. Even the Stage 1 cam package is a huge upgra...

The Sonic and Cruze comes with very light valve springs from the factory. Whenever you bump the rev limiter and/or boost the valve springs will sta...

The 1.4 T Sonic and Cruze comes with very light valve springs from the factory. Whenever you bump the rev limiter and/or boost the valve springs wi...

Our ZZPerformance 1.4L rocker guard kit is essential for your high horsepower 1.4L LUV/LUJ build. As you increase boost, especially on the smaller ...

Continuing on the success of our Ecotec timing chain guide we have decided to bring the same material and upgrades to platforms outside of the Ecot...

Continuing on the success of our Ecotec timing chain guide we have decided to bring the same material and upgrades to platforms outside of the Ecot...

Our ZZP 1.4T upgraded timing chain kit includes key components needed to service your timing chain system while including our upgraded components t...

This is an upgrade to your factory rocker arm in 1.65 ratio. The stock rockers are 1.6 ratio so these will increase your current cam's lift by 3%. ...

This is our latest 3800 product. It is a lightweight replacement rocker arm, (over 27% lighter than the OEM rocker arms!) however this is the highe...

Safely increasing cam lift or maximum engine RPM will require new valve springs. For example on the 3800 we use LS1 "beehive" valve springs which m...

ZZPerformance replacement camshaft bolt for your 3800 powered vehicle. Replacement for OEM part number 24501366. Camshaft Bolt: 74 ft/lbs + 90 degr...

ZZP's GT camshafts currently hold all the horsepower and ET records for naturally aspirated L36s. Anytime you upgrade the camshaft from the stock o...

Our ZZPerformance upgraded lifter trays are the solution needed to complete your 3800 performance build. GM discontinued the OE lifter trays in 202...

ZZP cams have custom designed lobes to maximize the performance of your 3800 engine, ZZP cams make more HP at the same duration and lift than other...

Our ZZP 3800 upgraded tensioner features a CNC machined shoe made out of the same proprietary oil impregnated material we use in our performance li...

 ZZPerformance is constantly striving to make modifying your car more affordable and more reliable. Our latest product, 82# valve springs, does bot...

Being a long term leader in the 3800 market means constantly testing new products and releasing the latest in technology. Each pushrod is laser etc...

ZZP Pushrods are an excellent choice for Street/Strip, Hot Rod, Sportsman and High HP Daily Driven Vehicles. They are made from Quality 4130 Chrome...

This is our ZZPerformance Ecotec balance shaft delete kit for the 2.0L, 2.2L, and 2.4L engines. The balance shaft delete kit is a more affordable, ...

These are our most premium replacement valves for the Ecotec 2.0 LSJ/LNF/LHU/LDK, 2.4 LE5, and possibly some 2.2 applications. These valves are sto...

These are the lash adjusters for a 11+ Regal LHU, they will work in 2.0L LSJ, 2.0L LNF, 2.2L (L61, LAP), 2.0 LTG, and 2.4L LE5 engines.   Sold in s...

This is a replacement set of Ecotec Nitrided cylinder head valves. These valves are stock in size and share all dimensions with a stock valve, mean...

While the Ecotec engine has been a fantastic powerplant throughout the years, the single largest weak point of the system has always been the timin...