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JEGS LS Valve Spring Compressor Tool Fits GM LS3, LS9, L92 & L99


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LS Valve Spring Compressor Tool Fits GM LS3, LS9, L92 & L99
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LS Valve Spring Compressor Tool
  • Fits GM LS3, LS9, L92 & L99
  • Made in the USA
  • Ships

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    805021 is rated 3.3 out of 5 by 12.
    Rated 5 out of 5 by from Perfect tool Uncomplicated, well made, does the job. Very easy to use and doing two valves at a time is a bonus. Good bang for the buck.
    Date published: 2022-01-06
    Rated 5 out of 5 by from Quick on shipping just the stud for the ls3 compressor gave out that same day.
    Date published: 2020-03-29
    Rated 5 out of 5 by from Works Well Tool is easy to use. Make sure to tighten the nut on the stud tight so the stud does not spin when compressing the springs. Keep the threads greased and the tool will work great.
    Date published: 2018-03-08
    Rated 5 out of 5 by from awesome product awesome price! Just finished my cam swap on my Camaro LS3 and it was so easy using this! Seems just as good as comp cams and it's half the cost! Super strong and doesn't flex. I'll be able to use it over and over
    Date published: 2016-04-03
    Rated 4 out of 5 by from Worked great. Upgraded to a better grade bolt but made the job very quick and easy.
    Date published: 2015-02-14
    Rated 3 out of 5 by from Worked after modification This tool was a 3 star rating for a few reasons. The first and probably biggest reason is that they send stainless steel bolts and nuts with this tool. When working with aluminum, stainless has a bad tendency to gall up and I thought someone like Jegs would have known that. Luckily I do know of this, but I was disappointed when seeing this. The second reason for 3 stars is that I had to drill out the relief for the valve cover riser this sits over. I had to drill out and then grind out toward the valves to have the holes line up and the tool to sit flush with the surface. Once this was done, the tool worked great. For $50, I would buy something else. But it worked.
    Date published: 2020-05-13
    Rated 3 out of 5 by from Bolt is not very strong The tool works great if it had a bolt that didn’t strip out after the third spring... had to purchase a hardened bolt to finish
    Date published: 2019-01-14
    Rated 2 out of 5 by from Ok tool but stainless hardware is wrong for app Not a bad tool for the money but Jegs... you have GOT to get rid of that stainless hardware! It's not the correct material for the application. After doing just two cylinders, the threads were so galled up it seized, even with grease on the threads. That is VERY DANGEROUS because had the bolt snapped while trying to release pressure on the springs it could have sent the whole assembly flying with 800+ pounds of force (not to mention dropping two valves into the cylinder). I replaced the stainless stud with a standard grade 8 allen cap screw with two washers, added some grease, and was able to finish my install. But when the original stud seized it was while the springs were compressed, again VERY DANGEROUS.
    Date published: 2018-05-07
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