Restore your GTO’s cooling system to factory spec with this Used OEM GM Radiator Rubber Insulator. This genuine GM part is designed to provide a snug, vibration-dampening fit between the radiator and the mounting support—helping reduce wear...

Billet Aluminum Manual Belt Tensioner with Dress-Up Pulley for Corvette/CTS-V Front Drives! ***MADE IN THE USA*** If you are doing any sort of performance driving or racing this is a must have! This solid belt tensioner eliminates belt slip like the...

Billet Aluminum Manual Belt Tensioner for Corvette/CTS-V Front Drives! ***MADE IN THE USA*** If you are doing any sort of performance driving or racing this is a must have! This solid belt tensioner eliminates belt slip like the factory tensioner is...

Genuine OEM GM Thermostat & Water Inlet Corvette CTS-V G8 12600172 / 15-11057 FITMENT:1999-2008 Corvette2004-2007 Cadillac CTS-V2008-2009 Pontiac G82004-2006 Pontiac GTO

Billet Aluminum Throttle Body Bypass Kit for LS1/LS6 Throttle Bodies. ***MADE IN THE USA*** This kit allows you to bypass your throttle body coolant passage to keep your incoming air as cool as possible. Increase power on your LS1 or LS6 Camaro/Trans...

Genuine GM 12608814 LS Engine Coolant Temperature Sensor LS1 LS2 LS3 L98 L77 L76 Fits all Gen III/IV LS engines LS1 LS2 LS3 LS6 L98 L77 L76 LSA GM Part Number: 12608814 / ACDelco Part Number: 213-4333  

Chevrolet Performance Engine Coolant Drain Port Plug 97-15 Gen III/IV LS Engines This coolant plug for the GM LS-Family (1997-2015) of engines allows you to plug the coolant path on the right bank of cylinders (driver's side) when deleting the factory...

2005-2006 Pontiac GTO LS2 Aluminum Performance Radiator. For both AT and MT transmissions. These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It...

2004 Pontiac GTO LS1 COLD CASE Aluminum Dual Core Radiator. Most reproductions available are only one row or fool you into thinking a 3 or 4 row is better! Upgrade your cooling system today with our new 2 row 1 inch fin aluminum radiators...

2005-2006 Pontiac GTO LS2 Silicone Hose Kit. Upgrade your cooling system with this COLD-CASE silicone hose kit. Add style and performance to your GTO. All COLD-CASE hose kits come with super smooth and heat resistant 5mm thick walls and to...

2004 Pontiac GTO LS1 Silicone Radiator Hose Kit. Yellow. Upgrade your cooling system with this COLD-CASE silicone hose kit. Add style and performance to your GTO. All COLD-CASE hose kits come with super smooth and heat resistant 5mm thick walls...

Utilizes a brass-plated thermistor to measure engine coolant temperature. As the engine operating temperature increases, the resistance in the thermistor decreases, informing the ECU to adjust fueling.