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Return to Parts List Category : B- Small Block Dodge Magnum : Valve Springs : Cam Upgrade Spring Kit HUG 1197 V6 MAGNUM SPRING UPGRADE KIT INC SPRINGS, RETAINERS & LOCKS TO GIVE .620" COIL BIND W/ NO MACHINING $152.25 Many people would like to upgrade the cam in their 93-03 Dodge Magnum V6 engine but the springs always become a problem. This drop on kit allows you to install springs on your iron Magnum heads with NO machine work required. NO MACHINING REQUIRED! The kit includes: 12 Hughes Engines # 1110P valve springs. (120# @ 1.660" INSTALLED 310# @ .550" LIFT) 12 Hughes Engines # 1278 Custom steel retainers 12 Hughes Engines # 1307B valve locks