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Your cart is empty.BTR's .560" lift LS6-style valve springs give you all of the performance of the venerable OEM LS6 valve spring (GM part # 12499224 or 12586484) at a fraction of the cost. These springs pair perfectly with truck series camshafts and are also a great option for replacing worn out or broken springs in stock applications. 100 lbs @ 1.800” 285 lbs @ 1.240” Coil bind @ 1.150”
Mike
Reviewed in the United States on September 11, 2019
Installed in my 2001 Sierra 5.3 with cam swap.Running .500 lift with no valve train noises and no oil burning.Would definitely use again.
Larry G
Reviewed in the United States on August 12, 2019
I put these on my 2002 GMC seirra 6.0
Andrew
Reviewed in the United States on July 5, 2019
Easy install fit perfect!
koty griesheimer
Reviewed in the United States on March 13, 2019
Awesome price great product
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