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Aeroflow Cast Iron Small Block Chevy Engine Block 4.000" Bore 9.025" Deck Height 350 Mains 4-Bolt Billet Splayed Caps AF96-1000
Aeroflow Cast Iron Small Block Chevy Engine Block 4.000" Bore 9.025" Deck Height 350 Mains 4-Bolt Billet Splayed Caps AF96-1000
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Aeroflow Cast Iron Small Block Chevy Engine Block 4.000" Bore 9.025" Deck Height 350 Mains 4-Bolt Billet Splayed Caps AF96-1000
Description
Aeroflow Performance engine blocks are the ideal starting point for any street performance build that demands quality and precision at a reasonable price. Why start your engine build with a worn-out production block from decades ago that needs hours of machine work. When you can start with a new heavy-duty cast iron engine block that is a semi-finished bare engine block that requires very little machining to match your internal components. These brand-new aftermarket engine blocks are cast from premium high-strength Class 32B iron. It features Siamese cylinder bores and splayed billet steel four-bolt main caps with priority main oiling system which direct oil straight to the main bearings. The extra thick standard deck height ensures a reliable head gasket seal as well as allowing the use of off the shelf standard components such as camshaft, timing chain, oil pump/pan and oil filter etc. You can rest assured that these Aeroflow engine blocks have a great foundation for your next engine build.
Features
Specification:
- Cylinder Bore Diameter: 4.000"
- Max Bore & Stroke: 4.185" x 4.000"
- Cam Journal OD: STD, 1.869"
- Cam Plug: 2.375" Press In Cup
- Cam Location: STD
- Cylinder Wall Thickness: .275". min @ 4.185" Bore
- Deck Height: 9.025"
- Deck Thickness: .675" Min
- Fuel Pump: STD Mechanical Provision
- Fuel Pump Pushrod: STD
- Freeze Plugs: 10 x 1-5/8" Press In Cup
- Lifter Bores: .842"
- Main Bearing Size: 2.450" (350)
- Main Bearing Bore: 2.649" (350)
- Main Cap Bolts: 7/16" & 3/8" on Caps 1 & 5, 7/16" Splayed on Caps 2, 3 & 4
- Main Caps: Billet Steel, 3 Center Caps Splayed
- Main Cap Register: Deep Stepped Register (no need for dowels)
- Oil System: Main Priority Oiling (can use dry sump)
- Oil Pump Shaft: 350 .481" Standard
- Oil Filter: STD, Uses 2-Bolt Adapter
- Oil Pan: STD 350
- Rear Main Seal: STD 350 2-Piece
- Serial No. Location: Left Front & Main Caps
- Starter: STD
- Stud Holes, Head: Blind Holes
- Timing Chain / Gears: STD
- Timing Cover: STD
- Torque Specs: 7/16" Bolts 65 ft. lbs., 3/8" Bolts - 35 ft. lbs.
- Weight: 92kg (205 lbs.)
Important Imformation:
- Sizes in reference to Deck Height, Cylinder Bore, Wall Thickness, etc, listed in these instructions are Nominal. This Block must be professionally finish machined.
- Due to a vast difference of opinion among professional builders regarding specifications and procedures, all blocks, when purchased bare, are finished within factory +/- tolerances. Tighter than factory or OE specs when applicable.
- Cam bearing OD should be de-burred before installation.
- When initially removing main caps, the caps & block should be de-burred before reinstalling; this will insure that correct main size is maintained.
- This Block should be assembled by experienced, professional engine builders. Many parameters such as Cylinder Bores will need additional, professional machine work.
- Many pistons are oversized, and cylinder bore must be honed to correct skirt clearance. Very few aftermarket components are drop ins to any engine block, without additional checking/machining.