Finished Block 351W
The Shelby Alloy Windsor 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 cast iron Windsor blocks. The Shelby 351 block is fully CNC machined.
The Shelby block offers these premium performance features:
- Expanded Water Jackets
- Thick 0.750-inch deck delivers the foundation needed for maximum head gasket sealing and retention.
- Canted Valve Option
- Shelby's 351 Alloy block delivers superior bottom end stability at high rpm.
Shelby 351 Windsor Aluminum Block Technical Features:
| Block Material | A356,T6 aluminum Blocks is CNC machined |
| Deck Height | 9.5-inch |
| Deck Thickness | 0.750-inch |
| Cylinder bore range | 4.025-inch,std.,to special order 4.150-inch |
| Maximum Stroke | 4.275-inch |
| Displacements up to | 427 cubic inches |
| Cylinder sleeve | Centrifugally cast dry sleeves |
| Cylinder wall | Siamese with dry liners |
| Main bearing cap | Billet steel |
| Main bearing cap bolt configuration |
studs;4 splayed bolts on 2-3-4 mains |
| oil sump | Accommodates wet or dry sump oiling systems |
| Head stud diameter | 0.500-inch |
| Bare block weight | 90 pounds, approximately |
