zzperformance

A noncorrosive, sensor-safe RTV silicone gasket material formulated specifically for water pumps and thermostat housings. Highest water-glycol resi...

This is a universal weld in/on bung made of 6061-T6 aluminum. This fitting has a large hex head and is a 1/2" NPT female fitting. Can be used in fa...

2025 Note: While the 160# injectors can and do work, we highly recommend the Injector Dynamics 1050 injectors if you are needing an upgraded inject...

New GM cylinder head to exhaust manifold gasket for 2.2 and 2.4 Ecotec engines.

This is a complete set of rings for your LE5 with stock bore size pistons (88mm). These rings are intended for stock pistons. 

This is a 2.5" exhaust gasket. Typically used to mate the stock downpipe to the stock catback.

PERMATEX® Sensor-Safe High-Temp RTV Silicone Gasket Maker 27B. Formulated for oxygen sensor equipped engines. Temperatures range from -75°F to 650°...

New redesigned gasket that is reinforced on the inlet hole to prevent premature failures. 3 inch 2 bolt exhaust gasket (with 5.5" bolt spacing)....

This is a universal barbed oil drain flange. For use in a DIY turbo system or replacement for our 3800 or LSJ turbo kits.

The ZZP 50mm Blow Off Valve (of BOV) kit includes a high-quality billet aluminum blow off valve, weld-on flange(if selected), v-band clamp, and fit...

Did you lose or damage your 50mm blow off valve o-ring gasket? This is a replacement for the ZZP or TiAl 50mm blow off valve.

Stock replacement spark plug for the 2.0L LNF Cobalt, HHR SS, Saturn Sky Redline, and Pontiac Solstice GXP. Come pre-gapped. Also fits LHU and LDK ...

This is an OEM filter, it comes without a cap, the stock one is reuseable. It fits the following engines: LNF, LE5, LSJ, LAP, L61, LHU, LDK, and po...

This is an OEM filter, it comes with a new cap. It fits the following engines: LNF, LE5, LSJ, LAP, L61, LHU, LDK, and possibly more.

The AEM E85 Fuel Pump is a universal install pump designed for in-tank installation on high performance naturally aspirated and forced induction ve...

Benefits: Ideal for carbureted or EFI vehicles Easy-to-install Plug & Play harness and sensor included 24 green LED display lights provide imm...

AEM’s High Flow Universal In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. It delivers rel...

This is a standalone universal AEM injection controller kit. It includes the adjustable controller as well as a full wiring harness. This is the sa...

This is the replacement sensor for the AEM wideband gauge kit. Make sure to select the appropriate model, if you do not know the model number of yo...

Features: Displays water temperature from 100 to 300F Temperature gauge includes AEM brass sensor Ideal for carbureted or EFI vehicles Easy-to-ins...

The TRU-BOOST boost controller gauge includes an on-board 29 PSIg pressure sensor, built-in overboost protection with two timed shutdown levels, a ...

We now carry two different version of the AEM Water/Methanol Injection Kit. We have a MAP (manifold absolute pressure) version and then a MAF (mass...

2024 update: We recommend AEM's UEGO Wideband O2 sensor over this original version. We've seen much better reliability with the UEGO unit. That can...

Only for 2008 and newer cars. Now introducing the latest wideband from AEM. The new X-series UEGO wideband sensor features an OBDII pass through co...