2001-2004 GM HD Cast Iron Cylinder Head (One) LB7 (110100101) Grand-West-Husky-October If your vehicle uses H7

If your vehicle uses H7 bulbs with projectors and has a similar plastic socket behind the bulb

These high-performance headlights feature revolutionary quad Ice Cube 3D projectors utilizing high-power Osram Oslon Black Flat LED chips to deliver unparalleled clarity and a precise cut-off line for both high and low beam illumination

Exceeding this will overlift the vehicle

5 on 5 Inch Bolt Pattern / 1-3/4 Inch Thick / M14 x 1

Helps maintain precise damping response

2001-2004 GM HD Cast Iron Cylinder Head (One) LB7 (110100101) Grand-West-Husky-October If your vehicle uses H7Description 50 States Emissions Legal (E. O. D 701 38) The OEM Duramax cast aluminum cylinder heads fall short over time the different heat expansion rates between cast iron engine block and cast aluminum cylinder head cause head gasket scrubbing and eventually blown head gaskets. The aluminum cylinder heads are also prone to warping, melting, and or cracking in high performance applications where excessive heat is introduced. PPE's new LB7 Cast Iron