ITEM DESCRIPTION

                                                   

  • Chevy SBC 400 B-4.125 M-400 DH-9.025 4-Bolt Billet Main Bare Iron Engine Block 

    Overview

    If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 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.

    Specs

    Brand:Speedmaster
    Part Number:1-286-011-01
    Part Type:Engines, Bare Blocks
    Product Line:H1
    Cylinder Bore Diameter:4.125 in.
    Bore & Stroke:4.185 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 @ 4.185 in. Bore
    Deck Height:9.025 in.
    Deck Thickness:0.675 in. Min
    Fuel Pump :Standard Mechanical Provision
    Fuel Pump Pushrod:Standard Length
    Freeze Plugs:10 x 1-5/8 in. Press In Cup Plugs
    Lifter Bores:SBC 0.8427-0.8437 in.
    Main Bearing Size:2.650 in. (SBC 400)
    Main Bearing Bore:2.849 in. (SBC 400)
    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 SBC
    Rear Main Seal:400 Main FelPro# 2909
    Serial No. Location:Laft Front & Main Caps
    Starter:Standard SBC
    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:205 Lbs @ 4.0 in. Bore
    Quantity:Sold individually.
    Notes:Cam Bearings not Included, Replaces Dart 31182211
    Calculator:CFM Calculator

    Attachments

    Description

    The Speedmaster H1 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.

    Speedmaster H1 Chevy SBC bare blocks feature: 
     

    • Cast from premium high-strength Class 32B iron
    • 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



  • Condition: BRAND NEW (AS ILLUSTRATED).





  • Note: THE PRODUCT IMAGES ARE SHOWN FOR ILLUSTRATIONS PURPOSE ONLY.

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  • Buy with Confidence! we have 10 in stock 

    Ships  to the lower 48 STATES



    • WE HIGHLY RECOMMEND OUR CUSTOMERS TO READ THIS FOLLOWING TERMS BEFORE MAKING PURCHASE ON OUR EBAY SITE:

      • All of our listings are advertised with their original images, OEM part numbers and brief description to help customers find what they need. It is highly recommended that before making purchase you should match your old part with the pictures and part numbers given on our eBay site. Do not buy the product until and unless you are 100% sure that you're buying the correct part or replacement for your car. 

      • As a buyer you are 100% responsible for the proper fitment of our parts to your particular vehicle. If you are not sure or have any related query regarding the specific part that you need for your vehicle, please provide us a Chassis Number/VIN (vehicle identification number) of your car before checkout so we can cross-check suitability before we send it out. 

      • We highly recommend professional installation for all products, installation instructions are not included with any product. Professional's proof is required, if item is not fit to your vehicle.

      • No returns will be accepted or refunds will be made for Items purchased without making sure or without providing us Chassis Number/VIN details of your car.