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3mirrors Upgrade Valve Spring Compressor Tool Compatible with LS1 LS2 LS3 LS6 LSX LQ4 LQ9 4.8 5.3 5.7 6.0 6.2 Universal Fit for LS Engine Vehicle
Important Notice： Pneumatic operated valve holder designed for 14mm and 18mm diameter spark plug holes, commonly found on all LS engine platforms.
The other end is a 1/4" female NPT which can easily be connected to air hose quick connect fittings. 14mm is the standard spark plug size for most all domestic and foreign vehicles. The actual part may vary from the picture.
This tool is used when installing valve springs while the cylinder head is installed on the engine. This tool allows the combustion chamber/cylinder to be filled with compressed air, which holds the valve closed while the valve spring is exchanged. Simply place the cylinder you are working on at the top dead center, thread the tool into the spark plug hole, and fill the cylinder with compressed air.
Just be sure to maintain the air pressure within the cylinder while performing the spring change.
NEW Design with a groove to keep stable and easy fix Compressors
This Valve Spring Compressor Tool will compatible with Most GM LS-Type Engines;
LS1 LS2 LS3 LS4 LS6 LS7 LS9, LSA, LQ4, LQ9 and LSX engine 4.8L/ 5.3L/ 5.7L/ 6.0L/ 6.2L;
And any LS engine for Firebird, for Silverado, for Camaro, for GTO, for Trans am, for Corvette, for CTSV, for Sierra, for Tahoe, for Suburban, for Pontiac G8 GT and more;
Also compatible with Dodge Ram 318 360 5.2 5.9 Engines
After the actual operation and customer feedback, this tool is an upgraded version of the first version, with a groove design added, and it is just aligned with the spring during compression.
Which made the compression process is more suitable and the operation is more convenient!
Better Performance than ordinary parts
High strength bolts ensure Better Support
The New Heightened Nut makes the Compression more Stable
Saturn Detailing
Reviewed in the United States on March 9, 2024
Says it works on ‘95 Chevy 350. Nope.
Customer
Reviewed in the United States on February 15, 2024
Couldn’t get both keepers back on the valve. Would not compress spring straight.
Jackie Safranski
Reviewed in the United States on June 3, 2023
The tool doesn't compress the springs evenly. So they bind against valves making the keepers get pinched andhard to remove or reinstall. I ended up making my own tool.
Tyler G Fields
Reviewed in the United States on May 3, 2023
Worked awesome
Floyd
Reviewed in the United States on April 6, 2023
When I got this I was concerned that it would scratch up the valve gasket sealing surface on the head, but I put a rag on the surface under the tool and it worked with no issues. I put grease on the threads and the washers to keep it from galling, and also found that it works better with the flat surface down touching the spring cap instead of the machined slot, the slot was a little narrow and was digging into the spring cap. Flat side down and greased it worked quick and easy. If the threaded rod wears out it will be easy to replace if needed.
Zack S.
Reviewed in the United States on March 14, 2022
Worked as intended for both sets of heads with factory springs. Keeping the threads oiled will keep it from striping. mild wear but good piece for the price compared to the big name tool.
marco gadsden
Reviewed in the United States on February 8, 2022
Once all 16 springs were changed the stud was warped . Item did its job jus needs stronger stud that’s all
Verified Purchase
Reviewed in the United States on January 1, 2022
I had to rebuild the 5.3L v8 in my 2010 GMC Sierra 1500. Part of the build was replacing the valve springs and the valve stem seals so that I could run a performance camshaft. With a little grease on the screw threads andvwashers this tool had made short work on getting the job done. I have two other LS series motors that will eventually need some work, so this tool will definitely come in handy when I begin the rebuild process on both of them.
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