31385196
Main Journal Type:351 Cleveland mains
Engine Block Style:Aftermarket/OEM short deck
Deck Height (in):9.200 in.
Cylinder Bore Diameter:4.000 in.
Maximum Bore Diameter:4.185 in.
31385296
Main Journal Type:351 Cleveland mains
Engine Block Style:Aftermarket/OEM short deck
Deck Height (in):9.200 in.
Cylinder Bore Diameter:4.125 in.
Maximum Bore Diameter:4.185 in.
Engine Block Material:Cast iron
Main Bolt Style:4-bolt
Main Caps Included:Yes
Main Cap Material:Steel
Main Cap Fasteners Included:Yes
Main Bearings Included:No
Rear Main Seal Style:1-piece
Finished Cylinder Bores:No
Raised Cam Location:No
Cam Bearings Included:Yes
Freeze Plugs Included:Yes
Machine Work Optional:
- Fully Machined block
- Ready to assemble
- Square decked
- Torque plate CNC Honed
- deburred
- cam bearings
- freeze plugs installed
- align honed
Dart Iron Eagle Pro small block Ford cast iron bare blocks include the following features:
* Superior strength 220 BHN cast iron construction
* Steel 4-bolt main caps with upgraded ARP main studs
* 4.000 in. up to 4.185 in. bore
* Reduced 0.250 in. main oil feed holes
* Reduced 0.090 in. cam to crank oil feed (Babbit cam)
* Removed cam to crank oil feed (Roller cam)
* Removed oil filter location
* Removed front -10 AN oil feed
* Removed rear lifter crossover
* External dry sump or external wet sump only
* Removed stock oil pump mounting boss
FREE SHIPPING
Notes:Block bores are .10 undersized to allow for piston set up.