2001-2010 Duramax Grade A Left Head Gasket 0.95mm (AP0047) LML This redesigned bearing housing and

This redesigned bearing housing and backing plate design to fit 200% LARGER thrust bearings and upgraded wider and taller journal bearings

This head gasket from Alliant is a direct replacement for your Duramax

greater valve lift

This Outlet Flange is a Garrett replacement turbine outlet without the restrictive Exhaust Back Pressure Valve (EBV) 451274-0005 and works with OEM

the HP does add a little power (25-50hp) but the low pressure adds a TON OF POWER (150-250hp)

2001-2010 Duramax Grade A Left Head Gasket 0.95mm (AP0047) LML This redesigned bearing housing andThis head gasket from Alliant is a direct replacement for your 2001 2010 6. 6L GM Duramax. Each gasket is built to meet or exceed factory specifications without the factory price. This is a replacemetnt for the left head only. Gaskets sold individually. OEM Part Number: 98045058