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Xotic Performance Head Stud Replacement Kit | 2001-2016 6.6L LB7 LLY LBZ LMM LML Chevy Duramax Diesel CP877

Xotic Performance Head Stud Replacement Kit | 2001-2016 6.6L LB7 LLY LBZ LMM LML Chevy Duramax Diesel CP877

CP877
Vendor
Xotic Performance
Regular price
$512.52
Sale price
$512.52
Shipping calculated at checkout.
Quantity must be 1 or more

Vehicle Fitments

LB7 (Found in 2001 - Early 2004 models, 8th Digit of VIN is 1) 
LLY (Found in Late 2004 - 2005 models, 8th Digit of VIN is 2)
LBZ (Found in 2006 - Early 2007 models, 8th Digit of VIN is D)
LMM (Found in Late 2007 - Early 2011 models, 8th Digit of VIN is 6)
LML (Found in Late 2011 - Current models, 8th Digit of VIN is 8)

  

Package Content

36x Heads Studs (M12 x 142mm) 
36x Nuts (M12)
36x Hardened Parallel Washer
8x Rocker Bolts (M8 x 97mm) 
2x Sockets (10mm and 16mm) 
1x Allen Wrench (5mm)
1x Fastener Assembly Lubricant
1x Instruction Manual

 
    Head Studs Vs. Head Bolts

    In every diesel car, there are high cylinder pressures that can damage head gaskets. Factory OEM head bolts are torque to yield, meaning you torque the bolt to a specific torque with a final 90-degree rotation that will place the bolt at its’ maximum stretch point.

     

    Our observation through years of dealing with trucks is that when you add parts that increase horsepower (turbocharger, injectors, chips etc.), you risk creating higher cylinder pressures lower than your RPM range, consequently leading to a blown head gasket.

     

     In contrast to head bolts, head studs are engineered to not stretch. Xotic Performance head studs are created using premium steel alloys (XOTIC 7200) that are far superior in tensile strength to a bolt. Our head studs are threaded on top to allow for nut placement which will result in a more accurate torque of the head.

     

    Rather than blowing your head gasket again, we highly recommend replacing your head gaskets with fasteners that have a proven track record of not stretching - so that you never have to deal with the exhaustive procedure of replacing another failed head gasket.

     

    INDESTRUCTIBLE TENSILE STRENGTH

    XOTIC 7200 material properties allow for far greater tensile strength compared to 8740 Chromoly steel head studs. Threads are rolled after heat treatment for optimum fatigue strength. Premium quality inspection standards ensure you'll never get a blow head gasket again.  

     

    OPTIMUM DESIGN

    Broached stud ends install & make cylinder head removal easier. Engineered to unleash more performance out of your vehicle. Ample clamping strength prevents cylinder heads from lifting. 

     

    ULTRA CLAMPING FORCE

    Head studs are designed to retain cylinder seal even with today's extremely high-pressure turbo systems. These studs far exceed clamping forces provided by standard Duramax head bolts.

     

    NUTS & WASHERS INCLUDED

    36x Heads Studs, 36x Nuts, 36x Hardened Parallel Washer, 8x Rocker Bolts Fastener Assembly Lubricant & Instructions Manual. Black oxide finish protects from wear and tear. Hardened parallel washers allow for uniform load distribution and accurate torque readings.

     

    INSTRUCTIONS INCLUDED WITH DRAWN DIAGRAMS

     

    All details including torque recommendations are included in the manual for your reference. 

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