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OEM style 1” radiator. Replacing your old radiator results in better cooling for the engine and the transmission. This 1” core is much thicker than...

Direct bolt on for all '97-03 W-Body vehicles and '00-05 Impala/Monte Carlo. This is a huge upgrade from the factory 10.9" rotors. Note: Calipers m...

In stock form the Grand Prix has 11" rotors and single piston cast iron brake calipers. This is a far cry from a performance braking system and bar...

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

This is a replacement for your factory engine mount. It is meant as a factory replacement. For a higher performance unit, please see our selection ...

Stainless brake line kit for your W-Body replaces all 5 of your factory rubber lines. One to each caliper, and one on the frame They will provide a...

Replacement Oil Pan with M14 1.5 drain plug (our magnetic drain plug will not work with this pan). Oil pan bolts: 125 in/lbs.Fits Series II and Ser...

Hastings stock replacement piston ring set for the 3800. Can also be used with Keith Black Silv-O-Lite Hyperutectic Piston and Federal Mogul Piston...

Competition Cams Valve Locks replace the factory part and provide increased strength in your 3800 Engine. When using higher load valve springs the ...

Brand new wheel bearing (includes speed sensor for ABS) One year warranty. This is the same wheel bearing that we run in our shop 8 second drag car...

4T65E Internal wiring switch without Internal Mode Switch, 19 Pin Connector

4t65e manifold pressure switch

OEM replacement "PCS" pressure control solenoid for your 4T65E transmission. Make sure to select the appropriate year for your vehicle.

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

New replacement OEM cam keyway.

This is a stock replacement timing chain, it requires the use of a oem style timing chain dampener for your 3800.

Here's what GM has to say about the new DEXRON VI: Automatic transmission fluid (ATF) is considered the life-blood of the automatic transmission. I...

Our plate allows you to pull the EGR tube from the exhaust so that it will draw in fresh air instead of exhaust gas. The plate is then used to cap ...

In stock form the Grand Prix has 11" rotors and single piston cast iron brake calipers. This is a far cry from a performance braking system and bar...

AcDelco/GM Replacement supercharger oil. Most blowers require 6 ounces of oil, which is 1 and 1/2 bottles.

HPS - High Performance Street disc brake pads are world renowned for increasing stopping power on your street legal vehicle. Increasing the perform...

JE's 3800 pistons are made from 2618 alloy with 52 series pins making them superior to the other pistons common in our market. For those wanting th...

Get the most from your hard-earned dollars with Silv-O-Lite hypereutectic pistons for the 3800. These pistons utilize aluminum alloy high in silico...

KYB AGX® Sport Adjustable Shocks and Struts allow drivers to adjust dampening to match specific driving conditions quickly.  The AGX® Sport Adjusta...