PHC403L-B*

year

01-01

model

Sierra 3500

notes

Leftthand. FIRE SEAL Premium Head 3 LAYER MLS Gasket. .0394" thickness. 4.149" fire ring ID. Use new head bolts.

6.6L / 402 OHV V8 "3" GM Duramax 4.055" Bore 06-06

HUMMER

6.6L / 402 OHV V8 32V Duramax 4.055" Bore 01-26

CHEVROLET, GMC, GM, CHEVROLET

GM403T-CH | 6.6L / 402 OHV V8 32V Duramax 4.055" Bore 01-26

CHEVROLET, GMC

HU403T-CH | 6.6L / 402 OHV V8 "3" GM Duramax 4.055" Bore 06-06

HUMMER