đ Dominate the track with valve springs engineered for victory!
These 16-piece performance valve springs are engineered for GMC Chevy LS engines (4.8-6.2L), boasting a 318 lbs open load at 1.2in, 0.60in max lift, and a robust spring rate of 313 lbs/in. Crafted from high-quality steel with oval wire diameter for enhanced durability, they undergo rigorous 23 million cycle fatigue testing and come with a 12-month warranty, ensuring race-ready reliability and superior engine protection.
| Manufacturer | 3mirrors |
| Brand | 3mirrors |
| Model | spring |
| Item Weight | 2.86 pounds |
| Package Dimensions | 15.12 x 4.09 x 2.83 inches |
| Country of Origin | China |
| Item model number | 03081GM01X16 |
| Exterior | Polished |
| Manufacturer Part Number | 03081GM01X16 |
| OEM Part Number | PAC1218 |
P**R
Theyâll work for low lift LS cams much better than stock springs.
They are as described and they have good pressure.
A**R
Good
Good
J**D
Stay far away broke immediately blew my engine up
Spring broke blew my engine company definitely wonât refund me for a new engine I would not touch these things with a 100ft pole even if it was your only option lasted less then 3 days 10 out of 16 springs broke only one completely broke an blasted the valve into the piston an the piston out the block smh and the other 9 all broke at the top just like the other one star review with photos on this item shame and a crime to sell crap like this
Z**S
not sure there ok
be careful when installing these don't want to lose the keepers in the engine.
K**
These are poor quality
Had these on my 2013 Chevy Suburban for 1 week and had it break on me. I would recommend spending the money on name brand....
Trustpilot
2 weeks ago
1 month ago
