brand new, just opened to make sure everything was there, includes seats,seals,retainers,springs,locks everything you need, my cam kit just came with a set so i have these extra, purchased from summit racing and just trying to make a few bucks back i paid like $620 + shipping for them... these are the specs from summit. i would like $500 obo shipped.

Brand:Crane Cams
Manufacturer's Part Number:144311-1
Part Type:Valve Spring and Retainer Kits
Product Line:Crane Valve Spring and Retainer Kits
Summit Racing Part Number:CRN-144311-1

Number of Springs Per Valveual
Outside Diameter of Outer Spring (in):1.237 in.
Damper Spring Included:No
Spring Rate (lbs/in):369 lbs./in.
Inside Diameter of Outer Spring (in):0.910 in.
Inside Diameter of Inner Spring (in):0.665 in.
Valve Spring Style:Standard
Retainers Included:Yes
Retainer Material:Titanium
Locks Included:Yes
Lock Style:7 degree
Lock Groove Quantity:1-groove beadlock-style
Lock Material:Hardened steel
Quantity:Sold as a kit.
Notesesigned to fit LS1/LS2/LS6 engines.