We have 16 used Beehive 1.270" GM LS1 LS6 Valve Springs. - Open Pressure: #288 lbs @ 1.250". You might be able to use this set of 16. Alaska and Hawaii usually cost about double. International is even more yet.
EagleForged 4340 I-Beam Rods 6.125 w/7/16 Bolts for GM LS
Chrome Street Rod Universal Master Cylinder 1" Bore 1/2" & 9/16" Ports for GM
PPE Diesel 114003000 Billet Aluminumum Oil Fill Cap - 01-16 6.6L GM Duramax
2014 15 16 17 OEM GM Buick Cadillac Chevrolet LH Blind Spot Alert Sensor Module
Steering Universal U-Joint Coupler 13/16 -36 Spline GM
Custom Street Rod Universal Master Cylinder 1" Bore 1/2" & 9/16" Ports for GM