ZZPerformance

The base kit comes with all the gaskets, seals, and o-rings needed to rebuild your 4T65E. The "Model" drop down will add more items to build a mor...

Replacement Reverse Band for the 4T65E Transmission

Our transmission shift kit speeds up the shifting of any 4T65E. It works on the standard non HD and HD versions of the transmission and can be inst...

We recommend you change your transmission filter every 60k miles at least. This will make sure that the filter itself does not hinder your transmis...

OEM ACDelco replacement

Transmission Case Side Cover Gasket Kit for the 4t65e transmission

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.

These tensioner/idler pulleys will allow use of an 8 rib belt. All pulleys are 3" in diameter. Full set includes : (1) smooth tensioner pulley ...

The Powerbond Race series brings the advantages of bonded balancers to high revving race and street/race applications where an SFI approved balance...

SFI dampers are designed to reduce crankshaft torsional vibration at high engine speeds. It is only safe to spin an L67/L32 to ~6300 rpm on a stock...

Brand new replacement headlights for 97-03 Grand Prix. Not original GM, but they look just like them. They are a complete housing including the co...

OEM Replacement MAF sensor. This is a genuine Hitachi sensor. There are many reman or offbrand sensors on the market that do not perform as well as...

It uses a stock size pulley to maintain stock accessory belt length. Extremely lightweight. Fits on some models of 3800 F-Body. (verified fits on a...

This is a new set of GM spark plug wires for your NA or Supercharged 3800 engine. Fits: 96+ 3.8 liter, L67, L32, L36, & L26 engines in Grand Pr...

Advantage - All-Season Metal Blades  All-metal blade construction for durability.  Precisely fitted wiper elements for a smoother and quieter oper...

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

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...