Feature

●Replace part number:PAC-1218, PAC1218.The Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads,GM LQ9 LQ4 LS LS1 LS2 LS3 LS6 4.8 5.3 6.0 6.2 , rated for up to .600" lift.
●Feature: 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 LS engine.
●Function:The PAC-1218s are an ovate beehive spring that has increased loads, rates and frequencies for more aggressive cams.
●Package includes: 16 x springs.‎Size:15.2 x 4 x 3.5 inches.
●Service:Slother aim to providing you with better products and services. You can contact us first for any problem or concern, your problem will be figured out with our support.


Description

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Specification:
  • Installed Load: 130lbs@ 1.800in.
  • OD large end 1.290”
  • ID large end 0.885”
  • ID small end 0.65”
  • Install Height 1.8”
  • Open Load (LB) 318.0
  • Spring open height 1.2”
  • Coil Bind Max 1.140
Compatible with

Racing valve springs compatible with LS1 LS2 LS3 LS4 LS6 LS9 LSX LQ4 LQ9 engine 4.8 5.3 5.7 6.0 6.2.

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Feature

PAC 1218 LS ovate beehive valve springs for applications up to 0.600 lift. This is a drop-in spring that fits stock seats and retainers. This spring has higher spring pressure for more demanding applications.

Made by high quality material, lightweight, anti-rust, colorfast and durable.

The elliptical wire thickness can maximize the wire diameter of the spring and solve the heat dissipation more effectively. Reduce the loss of the spring and extend the life of the spring.

Product information