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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...

These 160lb injectors us use an EV1 injector plug and are compatible with all fuels.   Coil Resistance: 9.1 Ohms / High ImpedanceDead Time: 0.45ms ...

This is a stock replacement 187° thermstat. It will fit the following models: BUICK RAINIER 2004-2006 CADILLAC CTS 2004-2005 CADILLAC E...

This is an OEM oil filter for the 2.0L LTG engine and models below: BUICK ALLURE (2008 - 2010)BUICK ENCLAVE (2008 - 2010)BUICK LACROSSE (2008 - 201...

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...

These 90# springs are OEM GM LS6 springs. The LS6 engine comes from the factory with .550" of lift and spins to 6500 RPM to give an idea of what th...

Stock replacement spark plug for the LTG. We generally recommend a .028" gap depending on overall power level.  However due to the fragile tip, a p...

These are factory semi-metallic brake pads for the following models with Brembo calipers: Front 6 piston: CADILLAC CTS 2009-2016 CHEVROLET CA...

ARP cylinder head fastening kit for 2003 and earlier and 2004 and later LSX engines. Click here for up to '03 instructions. Click here for '04 and ...

ARP main bolts are stronger and torque more accurately than stock main bolts. By improving the bottom end rigidity you increase the engines capabil...

This is an upgraded stainless braided brake line kit for your ATS. What you will notice is a more direct brake feel because the factory rubber line...

This is an upgraded stainless braided brake line kit for your ATS-V. What you will notice is a more direct brake feel because the factory rubber li...