GMC

The basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing the power of your LS engine, it's wise to ensure all maintenance is up to date and these processes are performing as intended. Weak spark from...

Mishimoto has released a direct-fit performance aluminum radiator for the Chevrolet/GMC 6.6L Duramax LML. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100-percent brazed aluminum core and polished end...

This BladeRunner Intercooler represents the next generation of intercoolers. The BladeRunner intercoolers utilize a 2.5" bar and plate design that is larger than stock and outflows OE style tube and fin core designs by 38%!End Tanks: The unique...

Designed for factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Designed for factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant...

People know that billet aluminum is a lot tougher than plastic. That toughness means fewer problems over time. So replace your fragile plastic, factory air bleeder screw with the longer-lasting billet aluminum PPE Air Bleeder Screw. The damage and...

The Mishimoto Chevrolet Silverado 1500 V8 performance aluminum radiator is the ideal upgrade for the stock Silverado radiator. This direct-fit radiator is designed and specifically engineered to maximize the cooling efficiency of your Silverado whether...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes.The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...

The Sinister Diesel Charge Pipe Kit for the Duramax LML 6.6L includes the intercooler pipe that connects the turbocharger compressor to the intercooler. This upgraded pipe is larger in diameter and has smooth mandrel bends to increase air flow velocity...

Factory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system failures, but this Duramax 6.6L radiator pipe kit is the perfect way to ensure that your cooling system is reliable for years to come. This upper...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

This is the Raptor-4G RP-150 fuel system for the 2011-2014 6.6L Duramax. This system mounts to the frame jig in front of the fuel tank for a clean looking installation. The suction line connects to the factory suction fitting on top of the fuel module...