【Package Contents】The 16Pc-1218 Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads and is rated for up to .600" lift
【Timing Chain Kit with Water Fitment】This is a drop in spring kit for all 15 degree LS heads including fits LS1 LS2 LS3 LQ4 LS4 LS6 L76 L92 L99 LQ9 L33 LSA 4.8L 5.3L 5.7L 6.0L 6.2L
【Important Note】Direct Replacement. Perfect fitment. No modification required. Product does not come with installation instructions, please refer to a shop/factory manual for installation
【Product Performance】Outside Diameter of Outer Spring (in): 1.290 in.Coil Bind Height (in): 1.140 in.Install Load: 130lbs.Install Height: 1.800"Open Height: 1.175" Open Load: 318 lbs Spring Rate (lbs/in): 313 lbs./in.Inside Diameter of Outer Spring (in): 0.885 in
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