GATOR FASTENERS MSK667Y User manual

Brand: GATOR FASTENERS

Model: MSK667Y

Type: User manual

GATOR FASTENERS MSK667Y is a performance main stud kit designed for Chevy/GMC 2001-2005 6.6L LB7 & LLY Duramax Diesel engines. It includes 10 main studs, 10 main stud nuts, 10 main bolts, 20 washers, and assembly lube. This kit allows for increased clamping force and improved engine reliability, especially under high-performance or heavy-duty conditions. The studs are made from high-quality materials and are designed to withstand extreme loads and temperatures.

Gator Fasteners Performance Main Stud Kit

Fits: Chevy/GMC 2001-2005 6.6L LB7 & LLY Duramax Diesel • Part Number: MSK667Y

Parts Included: Tools Needed:

(10) Main Studs •Socket Set

(10) Main Stud Nuts •Torque Wrench

(10) Main Bolts •Thread Chaser

(20) Washers

(1) Assembly Lube

Please Read Instructions before starting installation. If you don’t feel condent that

you can complete this task, do not start it and seek professional help!

q These instructions only cover the installation and torque sequence/technique of the Main Stud Kit.

q Clean and inspect the Studs and Nuts to ensure they are free of shipping damage and obvious defects.

q Clean all threads in the block. It is recommended to use a Thread Chaser on the threads of the block so that they

are completely clean to ensure proper thread engagement and accurate torque reading.

q Lubricate the threads of the main studs and install them into the block. (HAND TIGHT ONLY) Note: loctite may be

used if a permanent mounting of the studs is preferred. Look across the tops of the main studs to see that they all

appear to be the same length. If one is taller, remove the stud, clean the threads in the block and re- install.

q Install the main caps and check for binding or misalignment.

q Lubricate the Main Stud threads with Assembly Lube.

q Lubricate the mating face and threads of the Head Stud Nuts with Assembly Lube.

Gator Fasteners Performance Main Stud Kit for 6.6L LB7 & LLY Duramax Instructions • August, 2022 (Page 1 of 2)

Fasteners

Gator Fasteners Performance Main Stud Kit for 6.6L LB7 & LLY Duramax Instructions • August, 2022 (Page 1 of 2)

q Follow the torque sequence, and tighten the nuts in three equal steps to specications listed below. (Make sure to

use the assembly lube that has been provided.)

M14 Studs

Step One - 60 ft-lds

Step Two - 120 ft-lbs

Step Three - 175 ft-lbs

M12 Cross Bolts

Step One - 30 ft-lds

Step Two - 60 ft-lbs

Step Three - 90 ft-lbs

Disclaimer and Liabilities

Seller disclaims any responsibility/ liability for improper, incorrect, or inexperienced installation of products by the

purchaser or installer resulting in damage or loss. Buyer afrms by purchase of this product that it is t for intended use and

accepts all liability. Buyer afrms products are used at buyers own risk and accepts full responsibility.

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GATOR FASTENERS MSK667Y User manual

GATOR FASTENERS MSK667Y User manual

GATOR FASTENERS MSK667Y User manual

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