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Fully redesigned, the Shelby 427 Alloy FE Block is 45 percent lighter, yet stronger than the factory cast iron version. It retains original factory engine mounting bosses and bell housing bolt pattern, making it a bolt-in replacement for 390/427/428 cast iron FE blocks. The Shelby FE block is fully CNC machined. Head studs purchased separately.
The Shelby block offers these premium performance features:
- Deep lifter valley reinforcing webs combined with thick oil pan rails and main webs maximize block strength.
- Thick 0.750-inch deck delivers the foundation needed for maximum head gasket sealing and retention.
- Priority main oiling system. With the oil gallery raised adjacent to the camshaft bore, oil flow is directed to main bearings first, before going to the cam bearing. Crank life is maximized. .
- Shelby's FE alloy block delivers superior bottom end stability at high rpm.
Shelby 427 FE Aluminum Block Technical Features:
| Block Material |
A356,T6 aluminum Blocks is CNC machined |
| Deck Height |
10.150-inch |
| Deck Thickness |
0.750-inch |
| Cylinder bore range |
4.250-inch,std.,to special order 4.440-inch |
| Maximum Stroke |
4.500-inch |
| Displacements up to |
an easy 526 cubic inches |
| Cylinder sleeve |
Centrifugally cast ductile iron |
| Cylinder wall |
Siamese with dry liners |
| Main bearing cap |
Billet steel |
Main bearing cap bolt
configuration |
studs; double cross bolted on 2-3-4 mains |
| Oil sump |
Accommodates wet or dry sump oiling systems |
| Head stud diameter |
0.500-inch |
| Bare block weight |
125 pounds, approximately |
Freight:
You will be contacted to collect freight.
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