Standard gm production 400 two bolt main block(now 4bolt splayed) bored .030" to be a 421ci
4.155" bore 3.875" stroke

Block was cleaned, cracked checked, bored cylinders and line honed, zero decked, and clearanced for the piston rods

Parts list inside:
Callies compstar crank and Rods
Ross racing pistons
Pro-gram billet splayed main caps
King HP series bearings throughout
Ati super damper
Jesel Belt drive system
CamCraft Cam (custom grind)
CVR timing pointer
Melling high volume oil pump
ARP fasteners
Kevko oil pain with side cut rails (stroker clearance)
Fel-pro oil pan gasket
Its complete from pan to block, just needs valvetrain and fuel system and your ready to unleash on heck of a engine!
Block assembled from a 20+ year professional engine builder/machinist...

Info on the cam:
Advertised duration 281 291
.050 duration 252 262
cam lift 390 390
valve lift 1.5 585 585
lobe separation 110*
You can check the company out at camcraftcams.com

As you can see no cheap parts were being used to build this up...If you have any questions just ask, if i cant answer it I will get you in touch with the machinist. Engine is stored in a climate controlled machine shop where it's been assembled at.
$4100.00






I have more pics just ask for them and Ill send you them