3mirrors LS Beehive Valve Spring Kit -.600″ Lift For GM Gen III IV ALL LS Engine PAC1218
3 Reviews
In Stock
- Cross Reference for # PAC-1218 /GM-12499224 #.
- Universal springs are suitable for most engines, Compatible with LS0 LS1 LS2 LS3 LS4 LS6 LS7 LS9 LSA LSJ LSX LSY LQ4 LQ9 LM7 engine 4.8 5.3 5.7 6.0 6.2.
- Key Features: Open Load: 318lbs@ 1.200in.; Coil Bind Max: 1.140in.; Lift Max:0.60.; Spring Rate:313 lbs./in.. Perfectly suitable for the parameters of the LS engine. Excessive spring pressure can easily damage the engine.
- High-quality steel, high quality, to ensure that the spring has strong elasticity for a long time. The oval steel wire diameter makes the spring performance better. These processes enable the spring to withstand the cruel working pressure of the racing car.
- We randomly select some from each batch of production for 23 million anti-fatigue and elastic attenuation tests. All springs performed very well.
Valve springs
So bought these on accident, thought they were pac1218s.. somehow ended up ordering these. They were well packaged and looked great. I got them and decided to go ahead and run them. They seem great with my ss2 cam and stock rockers on a 6.0 ls. Only time will tell how they last.
Woodrow7777on October 21, 2021
great quality replacement spring for LS camshaft upgrade
these springs are great replacement springs for high lift LS camshaft swaps
HEAVY HITTER 977on January 31, 2022
Worked as said so far so good
Worked as planned and a good price as well
william mcclureon March 26, 2022