.660" Valve Spring Kit With Titanium Retainers for early 5.7 & 6.1 Gen 3 Hemi BACKORDERED

Valve Spring Kit for Early 5.7, 6.1 Gen 3 Hemi Engines.

Kit Includes:

• 1 set of 16 Premium .660" Single Beehive Valve Springs (PSI 1516 or PAC1276x)
• 1 set of 16 Premium Titanium Retainers
• 1 set of 32 Valve Locks
• 1 set of 8 1.250 OD;.875 ID;.060 Thickness Intake Valve Spring Shims
• 1 set of 8 1.250 OD;.875 ID;.030 Thickness Intake Valve Springs Shims
• 1 set of 16 Valve Spring Locator/Seats
• 1 set of 16 Valve Stem Seals

Spring Specs:

• 1.290 OD
• 150 lbs @ 1.800"
• 420 lbs @ 1.140"