I reluctantly am having to sell my 428 because of a divorce. It is ready to drop in your new Cobra!! Here are the details.
Rebuilt set of 48 IDA webs
40mm chokes
D&G needle valves
F7 Etubes
50 Idle
120 holder
205 air correctors
160 mains
55 bypass
custom linkage
new manifold from Inglease
Comp Cams Hyd Cam .510 lift 224/224 @ .050
Comp Cams roller rockers
Smith Bros Custom push rods
Edlebrock Alumn heads
Edlebrock Alumn water pump
MSD Billet distrib
MSD 6AL6 Ignition
March pulleys
Lakewood Scatter shield
McCloed 33# billet flywheel
Canton 7qt race pan with Canton windage tray
Block: D3TE heavy duty block. Sonic checked. lots of meat still in the cylinder walls. 
Short block built by Competition Machine in Plano, Texas.
10:1 KB Forged pistons
Reconditioned and sized 427 rods
10/10 IUB 428 crank
All 
oil mods done
Heavy duty Melling 
oil pump
ARP Pump shaft
Engine comes on a test stand made by George Anderson of Gessford Machine. Elctric fuel pump guages etc. 
It only has test time on the motor.
I have all receipts. and more info.
Asking $12,000. for the entire package. 
Please email me at 
bprokop@perfectech.ws
or call 214-761-3626.