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Fitment
Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including 4.8 5.3 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA. (Does not fit LS7 or LS9)
Kit includes
16 x Platinum .660 Lift Dual Valve Springs, 16 x Steel Retainers,16 x Spring Locators for stock guides ,16 x Valve Stem Seal Set ,33 x Locks
Desire Reed
Reviewed in the United States on August 17, 2024
A deal too good to be true it's all good until you now have 2k in damage and only 100 miles on your truck after getting these spring installed ruined my heads and sent debry threw my engine don't buy
Best light for the money
Reviewed in the United States on February 7, 2024
Fast shipping, but valve spring broke and bent a valve
Wako transmission
Reviewed in the United States on December 14, 2024
It's garbage, don't buy it, you're going to break your engine. No funciona se rompe y rompes tu motor cuidado.
James
Reviewed in the United States on July 2, 2022
Only about 8 hour's run time on theis springs and broke 8 that I can tell so far motor lost all power had have tow home took valve covers off and springs was broken I don't know if was a defective part or just poor quality metal but am very disappointed with theis springs
Tracey P.
Reviewed in the United States on April 6, 2022
seals didn’t fit the heads
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