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SB Chevy Aluminum

BMP Small Block Chevy Aluminum Engine Blocks ( IN STOCK )

Once known as the Very popular World Products Motown Lite block and now the all new redesigned and retooled block by Bill Mitchell Products is better than ever. The Bill Mitchell Products SBC Aluminum Block stands apart from all others by featuring several important features, such as stabilizing and reinforcing fins on the outside the block giving the cylinder walls more stability and enhances the cooling. There are also reinforcing ribs in the valley that connect the left and right banks that add the needed strength in the center of the block. The ribs are drilled to cross-feed the lifter as well. What’s more, the block is configured for priority main oiling to assure that the crankshaft is lubricated before the lifters. Standard fuel pump location and engine mounts for a drop in replacement.


  • Material: A357-T6 Aluminum (strongest available) 
  • Deck Height: 9.025" (standard Chevrolet) 
  • Deck Thickness: .600" minimum   
  • Cam Bearings: Std small block 
  • Cam can be machined for 50MM camshafts.  
  • Camshaft Location: Stock
  • Main Bearings: Std Chevrolet (350/400 style)   
  • Lifter Bores: Indexed (stock .843" bore)   
  • Bore Spacing: Stock 4.400"
  • Bore: 3.992" or 4.117" Rough Bored 
  • Maximum Bore: 4.165". Sleeve OD is 4.280" leaving more aluminum between each of the bores to increase the strength
  • Sleeves: Centrifugally cast ductile iron. 
  • Water Jackets: Expanded for better cooling   
  • Lubrication: Priority main oiling system, cross bank lifter oiling.   
  • Oil System Features: Std pump location. Integral boss for front feed, boss for rear scavenge sump pump  
  • Filtration: Integral mount for spin-on filter   
  • Oil Pan Rails: Solid (stock width)  
  • Dip Stick: Driver Side 
  • Crank Clearance: 4.000" stroke (H-beam steel rods) 
  • Main Caps: 4-bolt Splayed Billet Main Cap: All 5 Caps are 4 Bolt Design w/ center 3 splayed outer bolts 
  • Main Cap Locators: Stock Register & Ring Dowels at the center studs 
  • Main Cap Hardware: ARP ½” Stud Kit  
  • Main Seal: Two piece SB Chevy 
  • Fuel Pump: OEM mount   
  • Starter: OEM mount   
  • Motor Mounts: Dual (front and side)   
  • Cylinder Head Stud/Bolt Holes: extra deep holes for more thread engagement, blind tapped to prevent leaks 
  • Weight: Aluminum approx 100lbs. W / Sleeves.
  • Cam Bearings: Durabond DT1T   
  • Dowel Pin Kit: BMP 701575-K  
  • Oil Restrictors: BMP 702804-2  
  • Rear Seal: FEL2909


Click to view Instruction Sheet    PDF - Adobe Reader Required.