Dart 31161211 SHP SBC Block Bore: 4.000" or 4.125"

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Dart's Special High Performance (SHP) SBC block gives you all the features you need to build a powerful and durable engine at an affordable price. Cast from high nickel iron for superior strength, the SHP block features Siamese cylinders with 4.000 or 4.125 standard bore sizes available. Cylinder walls are a minimum of .230" thick at 4.165 bore!

Block Specs:
Bore: 4.000" or 4.125" unfinished
Bore & Stroke: 4.165" x 3.750" max recommended
Cam brg bore ID: SBC 2.00"
Cam brg O.S.: +.010", +.020", +.030"
Cam brg press: .002"
Cam Journal OD: Standard SBC 1.869"
Cam Plug: 2 7/64" Shallow Cup
Cylinder Wall Thickness: .230" min @ 4.165" bore
Deck Height: 9.025"
Deck Thickness: .625" min
Fuel Pump: Mechanical Pump Provision
Fuel pump Pushrod: Standard length
Freeze Plugs: Press in cup plugs - 1 5/8"
Lifter Bores: SBC .8430"-.8440"
Main Brg Size: 2.450" (350)
Main Bearing Bore: 2.6405"-2.6415" (350)
Main Cap Press: .005"
Main Cap Register: Deep Steeped register on each side (no need for dowels)
Material: Superior Iron Alloy
Oil System: Wet Sump, Priority Oiling (can use dry sump)
Oil pump Shaft: 350 Main - Stock Shaft (.481"OD)
Oil Filter: Standard SBC Filter uses 2 bolt filter adaptor
Oil Pan: Standard SBC Pan
Rear Main Seal: 350 Main std seal 2 pc
Starter: Standard SBC
Weight: 175 lbs @ 4.00 bore


WARNING: This product contains a chemical known to the State of California to cause cancer and reproductive harm. See https://www.p65warnings.ca.gov/ for details.


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