.660" Valve Spring Kit for 6.2 & 6.4 Gen 3 Hemi (except Demon) BACKORDERED

.660" Valve Spring Kit (PSI 1516 or PAC 1276x) for 6.2 & 6.4 Gen 3 Hemi Engines. When using this kit, you will re-use your existing OEM stock valve spring retainers and valve locks.

This kit includes:

• 1 set of 16 Premium .660" Single Beehive Valve Springs 
• 1 Set of 16 Intake and Exhaust Valve Spring Shims (1.250x.875x.030)
• 1 Set of 8 Intake Valve Springs Shims (1.250x.875x.015)
• 1 set of 16 Valve Spring Locators/Seats
• 1 set of 16 - Valve Seals

SPRING SPECS:

• 150 lbs @ 1.800"
• 420 lbs @ 1.140"
• Coil Bind @ 1.080”