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pac-1218 valve spring: gm ls-series compatibility, high performance ovate beehive spring (16 pcs) logo

PAC-1218 Valve Spring: GM LS-Series Compatibility, High Performance Ovate Beehive Spring (16 PCS) Review

3

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Terrible

Revainrating 1 out of 5  
Rating 
1.0
🔧 Replacement Parts: Shocks, Struts & Suspension, 🛠️ Replacement Parts

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Description of PAC-1218 Valve Spring: GM LS-Series Compatibility, High Performance Ovate Beehive Spring (16 PCS)

Compatible With: Universal, Include this part of the model( 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 ). Replace Part Number: PAC-1218, GM-12499224. Feature: Durable impact resistance, not easily deformed. Content: 16*Valve Springs. Warranty: If the received product is deformed or beat up please contact us by message, we will provide warranty service for damaged products, true worry-free shopping experience.

Reviews

Global ratings 3
  • 5
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  • 4
    0
  • 3
    0
  • 2
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  • 1
    3

Type of review

Revainrating 1 out of 5

Horrible Performance of Spring Replacement

As a result of using this automotive replacement part, I found that it failed to live up to its expectations. The spring was not compatible with my engine and did not provide the necessary support. My vehicle's suspension did not improve and handling was still poor.

Pros
  • None.
Cons
  • Incompatible with my engine, poor performance, did not improve suspension, and handling still suffers.

Revainrating 1 out of 5

BROKEN AFTER 1 HOUR OF REGULAR DRIVING! DESTROYED MY ENGINE!

was literally installed and started 6.0L LS in Silverado. I never left my area. I ran it at near idle for about 2 hours just to break in the rings and get even bearing wear, check for leaks and warm it up. TO STOP! Towed home, my house was less than 1 mile away. I removed the valve cover and what do you know? THE VALVE SPRING BREAKS IN HALF. Valve abandoned and destroyed everything. New pistons, new rocker arms, metal everywhere, and that's why CHEAP CHARACTER, BADLY MADE FOOLING FEATHERS! I…

Pros
  • Beautiful construction
Cons
  • Hard to remember, but

Revainrating 1 out of 5

reliability issues.

These were installed with a new 212/218 .553/.553 camshaft and new ls7 hydraulic lifters. After setting it up and running 100 miles, the truck developed severe slippage and a terrible rattle. I removed the valve cover and found that the spring had snapped and may have bent the valve. I do not recommend this product at all and now I have to remove the cylinder head to check because the valve is difficult to move. Very disappointed in this product and can't believe I have to go through all that…

Pros
  • Dream come true
Cons
  • There are cons