Part number: 12625437
Other part number: 17122490, 17120735, 12499225, 12576400, m295, 25341990, 5235498, 5234890, 5234670, 5233745, 17121905, 17120090, 17089852, 5234660, 17109057, 12598832,12600326, 12648846, HL7011S, HT2303, HL178, LIF3104, JB2079, HT2148.

Fits Models:
Compatible with Chevy Avalanche 2007-2009
Compatible with Chevy Silverado 1500 Classic 2007
Compatible with Chevy Suburban 1500 2007-2013
Compatible with Chevy Tahoe 2007-2014
Compatible with Chevy Trailblazer 2006-2008
Compatible with GMC Envoy 2005-2009
Compatible with GMC Sierra 1500 2005-2009
Compatible with GMC Yukon Xl 1500 2007-2009
Compatible with Isuzu Ascender 2005-2006
Compatible with Saab 9-7x 2005-2009
Compatible with Buick Rainier 2005-2007, 5.3L V8

Package includes(As pictures shows):
Multiple Layers Steel (MLS) Head Gasket
Valve Cover Gasket
Valve Stem Seals
Exhaust Manifold Gasket
Front Camshaft Seal
O-rings
Other Small Gaskets
30 Cylinder Head Bolts (20 Long Bolts: 100mm, 10 Small Bolts: 45mm)
1 Camshaft 1-Bolt
1 OEM GM Balancer Bolt
16 Non AFM Roller Lifters
4 Lifter Trays w/ Bolts
1 Front Cover Gasket Set
1 NON-AFM Valley Cover Kit

SPECS
-Intake duration @ .050": 199.
- Exhaust duration @ .050":191.
- Valve lift int (in.): .466.
- Valve lift exh (in.): .457.
- Rocker ratio: 1.7.
- lobe seperation:114
- Camshaft gear attachment: 1-bolt.
- Material: Multiple Layers Steel (MLS) Head Gasket & Steel
- Notes: works with factory valve springs
- Tightness: Completely sealed