12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit
12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit 12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit

12499225 Set of 16 Hydraulic Roller Valve Lifters For GM Chevy 7.0L 6.2L 6.0L 5.7L 5.3L 4.8L V8 1997-2012 Gen III/IV LS-Series LS1 LS2 LS3 LS7 Engine Camshaft Lifter Kit

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$173.99 $347.99

Product Description What is it? Hydraulic tappet, also called valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine....

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3. Move Cylinder to Top Center : Once the valve covers have been removed, you will need to bring the number 1 cylinder to the top center position. Move the cylinder and watch to make sure that the valves are closed. Remove the intake manifold bolts and make careful observations of their exact placement to make reassembly easier. Pry the intake and loosen up the manifold.

4. Clean Off Manifold Gaskets : It is important to clean off all of the residue left over from the gaskets on the manifold. Use a gasket scraper, a wire brush, and some solvent in order to clean this left over residue.

5. Remove Hydraulic Lifters : Once the manifold is clean, you can then loosen the bolts for the rocker arm assembly. Move this to the side far enough to be able to access the push rods. Check each rod for any damage. With the use of a strong magnet you can then lift out the hydraulic lifters.

6. Replace Hydraulic Lifters : Place the new hydraulic lifters into the passages and make sure that they can rotate a complete 360 degrees. Place the push rods back into position and tighten the rocker arm assembly. Tighten the rocker arm until there is a 0.10 inch gap between the arm and the valve stem. Repeat this same measurement for each cylinder in the firing order.

7. Apply New Gaskets : Apply the new gasket onto the intake manifold and tighten it into position. Remove the old valve cover gasket with the scraper and solvent. Once the valve covers are clean, apply the new gasket and seal them with gasket sealer.

8. Tighten Bolts : Use a torque wrench and tighten the valve cover bolts to manufacturer specifications. Replace the electrical wiring, and other components, and run the engine to make sure the lifters are working properly.

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