The Beehive Valve Spring Set replaces for Part # PAC-1218. 313 lbs/in Spring Rate, 1.140 in Coil Bind, 1.290 in OD.
Directly installation. 1.Use compression tester to hold up your valves. 2. Remove the top fixing screws by pull off the retainer, and then use the little magnet to grab the keepers, release the springs. 3. Place new springs in position and install back all the parts.
The Valve Spring Set prevents both valve float and valve bounce. Choose them if you're upgrading camshafts grind up to 600" lift at the valve or doing engine rebuilds.
Professional installation is highly recommended.
Description
Replacement Part # PAC1218, PAC-1218-16, PAC-1218
Compatible with following models:
LS1 LS2 LS3 LS6 LQ4 LQ9 Engines 600" Lift Rated 4.8L 5.3L 5.7L 6.0L 6.2L.
Package includes: 1218 Beehive Valve Spring set (16 Pack)