Dodge Magnum 5.2/5.9 Valve Spring Kit Wiith Matching Retainers and Keepers.  Fits iron heads without machining. 

Coil bind .620

120# @ 1.660" INSTALLED 310# @ .550" LIFT

• Installed Height/Pressure: 1.660"--120#
• Pressure @ .450" lift: 280#
• Pressure @ .500" lift: 303#
• Pressure @ .550" lift: 327#
• Coil Bind: @ .600" lift
• Outer Spring ID/OD: 1.033"/1.440" 
• Type of Spring: Single w/Damper

Contains HGH1110 springs, HGH1278 retainers, and HGH1307B keepers.