Description:

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. 

 This spring kit uses all OE hardware, including seats, retainers, and locks and is 100% drop-in.  

The 16Pc-1218 are an ovate beehive spring that has increased loads, rates and frequencies for more aggressive cams.

 This is a full set of 16 springs.

Specification:

Number of Springs Per Valve: Single

Outside Diameter of Outer Spring (in): 1.290 in.

Coil Bind Height (in): 1.140 in.

Damper Spring Included: No

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.

Valve Spring Style: Beehive

Package Includes:

16X Beehive Valve Spring