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Chevy SBC 350 B-4.125 4-Bolt Billet Main Bare Aluminum Engine Block
$3,895 Negotiable
Chevy SBC 350 B-4.125 DH-9.025 4-Bolt Billet Main Bare Aluminum Engine Block
Please call ******** 042 for more information.
Block Material: A-356 Aluminum
Cylinder Bore Diameter: 4.125 in.
Bore & Stroke: 4.155 in. x 4.000 in. Max Recommended
Cam Journal OD: Standard SBC - 1.869
Cam Plug: 2.375 in. Dia. Cup Plug
Cylinder Wall Thickness: 0.275 in. min @ 4.155 in. Bore
Deck Height: 9.025 in.
Deck Thickness: 0.675 in. Min
Fuel Pump : Electric Only
Fuel Pump Pushrod: n/a
Freeze Plugs: 10 x 1-5/8 in. Press In Cup Plugs
Lifter Bores: SBC 0.8427-0.8437 in.
Main Bearing Size: 2.450 in. (SBC 350)
Main Bearing Bore: 2.649 in. (SBC 350)
Main Cap Bolts: #1 7/16 in. (2) 3/8 in. (2)
#2, 3, 4 7/16 (2) Splayed (2)
#5 7/16 in. (2) 3/8 in. (2)
Main Cap Press: 0.005 in.
Main Caps: All 5 Billet Steel. 3 Center Caps Splayed
Main Cap Register: Deep Stepped Register (No Need for Dowels)
Oil System: Wet Sump - Main Priority Oiling (Can Use Dry Sump)
Oil Pump Shaft: 350 0.481 in. OD - Standard
Oil Filter: SBC, Uses 2 Bolt Adapter
Oil Pan: Standard 350 SBC
Rear Main Seal: Standard 350 SBC - 2pc
Serial No. Location: n/a
Starter: Dual Bolt Pattern
Stud Holes, Head: Blind Holes
Timing Chain/Gears: Standard SBC Components
Timing Cover: Standard Cam Location SBC
Torque Specs: 1 - 5 7/16 in. Bolts 65 ft. lbs.
1 & 5 3/8 in. Bolts - 35 ft. lbs.
Weight: 110 Lbs @ 4.0 in. Bore
Quantity: Sold individually.
Notes: Check hood clearance before installing.
If your standard Bowtie block could handle 1000 HP it would be the AH1 engine block. Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated, supercharged, turbocharged and nitrous applications.
- Cast from highest quality A-356 aluminum
- Extra-thick cylinder walls and decks
The AH1 is the perfect starting point for a powerful and reliable engine build suited for the street or race track. Precision pre-machining is the perfect starting point for a powerful and reliable engine eliminating time and expense of blueprinting a stock block or ''semi-finished'' factory casting. Best of all can be used with standard off the shelf small block components.
The AH1 Chevy SBC bare blocks feature:
- Cast A356-T6 Aerospace Aluminum
- Standard deck height allows the use of off the shelf parts
- Uses standard small block Camshaft, Timing Chain, Oil pump, Oil filter, Motor Mounts.
- Priority main oiling system directs oil to main bearings
- Blind tapped head bolt holes prevent water leaks
- Extra thick decks ensure reliable head gasket seal
- Billet steel 4-bolt main caps (splayed for extra strength)
- Front and rear external oil feed, crossover and restrictor provision
- Simplified plumbing for external pumps
- Used in 1000 HP Applications
128601501
Please call ******** 042 for more information.
Block Material: A-356 Aluminum
Cylinder Bore Diameter: 4.125 in.
Bore & Stroke: 4.155 in. x 4.000 in. Max Recommended
Cam Journal OD: Standard SBC - 1.869
Cam Plug: 2.375 in. Dia. Cup Plug
Cylinder Wall Thickness: 0.275 in. min @ 4.155 in. Bore
Deck Height: 9.025 in.
Deck Thickness: 0.675 in. Min
Fuel Pump : Electric Only
Fuel Pump Pushrod: n/a
Freeze Plugs: 10 x 1-5/8 in. Press In Cup Plugs
Lifter Bores: SBC 0.8427-0.8437 in.
Main Bearing Size: 2.450 in. (SBC 350)
Main Bearing Bore: 2.649 in. (SBC 350)
Main Cap Bolts: #1 7/16 in. (2) 3/8 in. (2)
#2, 3, 4 7/16 (2) Splayed (2)
#5 7/16 in. (2) 3/8 in. (2)
Main Cap Press: 0.005 in.
Main Caps: All 5 Billet Steel. 3 Center Caps Splayed
Main Cap Register: Deep Stepped Register (No Need for Dowels)
Oil System: Wet Sump - Main Priority Oiling (Can Use Dry Sump)
Oil Pump Shaft: 350 0.481 in. OD - Standard
Oil Filter: SBC, Uses 2 Bolt Adapter
Oil Pan: Standard 350 SBC
Rear Main Seal: Standard 350 SBC - 2pc
Serial No. Location: n/a
Starter: Dual Bolt Pattern
Stud Holes, Head: Blind Holes
Timing Chain/Gears: Standard SBC Components
Timing Cover: Standard Cam Location SBC
Torque Specs: 1 - 5 7/16 in. Bolts 65 ft. lbs.
1 & 5 3/8 in. Bolts - 35 ft. lbs.
Weight: 110 Lbs @ 4.0 in. Bore
Quantity: Sold individually.
Notes: Check hood clearance before installing.
If your standard Bowtie block could handle 1000 HP it would be the AH1 engine block. Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated, supercharged, turbocharged and nitrous applications.
- Cast from highest quality A-356 aluminum
- Extra-thick cylinder walls and decks
The AH1 is the perfect starting point for a powerful and reliable engine build suited for the street or race track. Precision pre-machining is the perfect starting point for a powerful and reliable engine eliminating time and expense of blueprinting a stock block or ''semi-finished'' factory casting. Best of all can be used with standard off the shelf small block components.
The AH1 Chevy SBC bare blocks feature:
- Cast A356-T6 Aerospace Aluminum
- Standard deck height allows the use of off the shelf parts
- Uses standard small block Camshaft, Timing Chain, Oil pump, Oil filter, Motor Mounts.
- Priority main oiling system directs oil to main bearings
- Blind tapped head bolt holes prevent water leaks
- Extra thick decks ensure reliable head gasket seal
- Billet steel 4-bolt main caps (splayed for extra strength)
- Front and rear external oil feed, crossover and restrictor provision
- Simplified plumbing for external pumps
- Used in 1000 HP Applications
128601501
- Date Listed:14/02/2024
- Last Edited:14/02/2024
- Condition:New
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