Trick Flow Valve Spring & Retainer Kits for LS-based engines W/ Trickflow heads, Titanium Retainer, 408lbs Spring

Specs:
Valve Spring Style: Standard
Number of Springs Per Valve: Dual
Maximum Valve Lift (in.): 0.700 in.
Retainers Included: Yes
Retainer Material: Titanium
Outside Diameter of Outer Spring (in.): 1.300 in.
Coil Bind Height (in.): 1.110 in.
Damper Spring Included: No
Spring Rate (lbs/in.): 408 lbs./in.
Inside Diameter of Outer Spring (in.): 0.895 in.
Inside Diameter of Inner Spring (in.): 0.655 in.
Locks Included: Yes
Lock Material: Steel
Lock Groove Quantity: 1-groove
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Springs Coated: No
Valve Stem Diameter (in.):\ 0.315 in.
Valve Stem Diameter (mm): 8.00mm
Remanufactured: No
Quantity: Sold as a kit.
Notes: Designed to upgrade GM LS-based engines with Trick Flow cylinder heads. 0.700 in. maximum valve lift.