Full Gasket Set Head Bolts Fit 2004 Cadillac GMC Chevrolet Hummer 6.0 N U Gasoline Additives 3L 1298CC 79CID L4 DOHC

3L 1298CC 79CID L4 DOHC

ENG CODE "1MZFE"

Part Numbers: MB302

7L 350 OHV LT-1 LT-4

Full Gasket Set Head Bolts Fit 2004 Cadillac GMC Chevrolet Hummer 6.0 N U Gasoline Additives 3L 1298CC 79CID L4 DOHCRemark: For 2004 engines there are two different designs for the head bolts. 1st design head bolts have 16 Long Bolts: 150mm, 4 Short Bolts: 100mm, 10 Small Bolts: 45mm. 2nd design head bolts have 20 Long Bolts: 100mm, 10 Small Bolts: 45mm. This kit ONLY FITS engine with 1ST DESIGN HEAD BOLTS (16 Long Bolts: 150mm, 4 Short Bolts: 100mm, 10 Small Bolts: 45mm). Please double check your engine head bolts to make sure this kit will fit your engine before