07-13 GM Truck DOD / AFM Delete Kit w/ Camshaft 3-Bolts Silverado / Sierra

07-13 GM Truck DOD / AFM Delete Kit w/ Camshaft 3-Bolts Silverado / Sierra.
Allow the engine to reach its maximum RPM potential. Decrease friction and
increase longevity when directly compared to flat tappet lifter. Perfect
performance replacements for stock hydraulic roller lifters or retro-fit
hydraulic roller lifters for non-roller blocks. Replace Part : 12589226,
19258707, 17122490, 05234670, 12499225, 12564012, 12576400, 12648846,
25341990, 12557840, 12598832, 12638427, 12499224

07-13 GM Truck DOD / AFM Delete Kit w/ Camshaft 3-Bolts Silverado / Sierra.
The hydraulic lifter in a car's engine uses oil pressure to adjust a plunger
and take up all the clearance in the valve train. This helps to ensure less
engine noise and longer reliability, due to less wear and tear. Hydraulic
lifters can begin to fail through normal use of a vehicle. After several years
of running the engine of your vehicle, the hydraulic lifters within the valves
can become laden with sludge, and other contaminants in the valve, that they
start to wear out. New hydraulic lifters can make a tremendous difference in
the way that a vehicle runs as well as how the engine sounds. The head gasket
is the key component of the engine. It is compressed between the engine block
and the cylinder head. The head gasket seals in the internal combustion
process to make sure maximum compression is achieved and also keeps coolant
and oil from mixing together as the two fluids travel from the engine block to
the cylinder head. Therefore the cylinder head gasket, and lifters are an
important part of your engine. They should always be in perfect condition and
should be maintained properly. So, if you notice that this part is showing
signs of excessive wear, have them replaced immediately. Be sure to have your
worn out parts replace with our aftermarket replacement parts set as soon as
they start to give you trouble.

Fits Following Models:
2005-2007 BUICK RAINIER 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2007-2013 CHEVROLET AVALANCHE 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2007-2009 CHEVROLET AVALANCHE 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2007 CHEVROLET SILVERADO 1500 CLASSIC 5.3L 5328CC 325CID V8 ELECTRIC/GAS
OHV, (16 VALVE)
2007 CHEVROLET SILVERADO 1500 CLASSIC 5.3L 5328CC 325CID V8 FLEX OHV, (16
VALVE)
2007 CHEVROLET SILVERADO 1500 CLASSIC 5.3L 5328CC 325CID V8 OHV, (16
VALVE)
2005-2006 CHEVROLET SILVERADO 1500 5.3L 5328CC 325CID V8 ELECTRIC/GAS
OHV, (16 VALVE)
2005-2013 CHEVROLET SILVERADO 1500 5.3L 5328CC 325CID V8 FLEX OHV, (16
VALVE)
2005-2009 CHEVROLET SILVERADO 1500 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2007-2014 CHEVROLET SUBURBAN 1500 5.3L 5328CC 325CID V8 FLEX OHV, (16
VALVE)
2007-2013 CHEVROLET SUBURBAN 1500 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2014 CHEVROLET SUBURBAN 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2007-2014 CHEVROLET TAHOE 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2007-2014 CHEVROLET TAHOE 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2006 CHEVROLET TRAILBLAZER EXT 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2006-2008 CHEVROLET TRAILBLAZER 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2006 GMC ENVOY XL 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005 GMC ENVOY XUV 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2009 GMC ENVOY 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2007 GMC SIERRA 1500 CLASSIC 5.3L 5328CC 325CID V8 ELECTRIC/GAS OHV, (16
VALVE)
2007 GMC SIERRA 1500 CLASSIC 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2007 GMC SIERRA 1500 CLASSIC 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2006 GMC SIERRA 1500 5.3L 5328CC 325CID V8 ELECTRIC/GAS OHV, (16
VALVE)
2005-2013 GMC SIERRA 1500 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2005-2009 GMC SIERRA 1500 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2010-2013 GMC SIERRA 5.3L 5328CC 325CID V8 OHV (16 VALVE)
2007-2014 GMC YUKON XL 1500 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2007-2009 GMC YUKON XL 1500 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2008-2014 GMC YUKON 5.3L 5328CC 325CID V8 FLEX OHV, (16 VALVE)
2008-2010 GMC YUKON 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2006 ISUZU ASCENDER 5.3L 5328CC 325CID V8 OHV, (16 VALVE)
2005-2009 SAAB 9-7X 5.3L 5328CC 325CID V8 OHV, (16 VALVE)

This item includes:

2 Multiple Layers Steel (MLS) Head Gasket
2 Header Gaskets
30 Cylinder Head Bolts (20 Long Bolts: 100mm, 10 Small Bolts: 45mm - TTY - torque to yeild bolt)
1 Genuine Chevrolet Performance AFM Delete Camshaft 3-Bolts (VVT delete is require for using this camshaft. Duration @ .050" 211/230 Lift .562"/.588" 122.5 LSA)
16 GM Peformance Beehive LS Valve Springs (Outside diameter 1.290"; Height 1.220"; Spring rate 375 lbs./in; Blue paint may show signs of wear from being shipping in bulk.)
1 Genuine Chevrolet Performance Engine Valley Covers Non-AFM
1 Genuine OEM GM Balancer Bolt (TTY - torque to yeild bolt)
ARP Camshaft Bolt Set
16 Non AFM Roller Lifters
4 Lifter Trays w/ Bolts

Camshaft Specs:

Type: Hydraulic Roller
Intake Duration @ .050": 211
Exhaust Duration @ .050": 230
Valve Lift Int (in.): .562:
Valve Lift Exh (in.): .588"
Rocker Ratio: 1.7
Lobe Seperation: 122.5
Camshaft Gear Attachment: 3-bolt
Notes: Need proper valve spring to work on GEN IV engines

Valve Spring Specs:

Valve Spring Style: Beehive
Number of Springs Per Valve: Single
Outside Diameter of Outer Spring (in): 1.290 in
Coil Bind Height (in): 1.200 in
Damper Spring Included: No
Spring Rate (lbs/in): 375 lbs./in