Technical Specifications Material: 357 T6 Aluminum Deck Heights: 8.200, and 9.500" Deck Thickness: .600" minimum Cam Bearings: Stock - can be bored to 60mm Bore: 3.990" (bore to 4.000") or 4.115" (bore to 4.125") Cylinder Head Attachment: Stock plus 2 extra head bolts per cyl. (not req.) Maximum Bore: 4.155" Water Jackets: Expanded for better cooling Lubrication: Priority main oiling system. Dry sump capable Filtration: Integral mount for spin-on filter Oil Pan Rails: Stock Ford Crank Clearance: 8.2 Deck: Up to 3.47", 9.5 Deck: Up to 4.250" crank Main Caps: Splayed billet steel, 4 bolt Oil System: .500" galleys