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Eagle Small Block Chevy Street & Strip Rotating Assembly [383 ci, 2 Piece Rear Main Seal]

356-B15404E030


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Small Block Chevy Street & Strip Rotating Assembly [383 ci, 2 Piece Rear Main Seal]
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$1,344.99
6 left in stock
Small Block Chevy Street & Strip Rotating Assembly
  • Displacement: 383 ci
  • Bore: 4.030 in.
  • Stroke: 3.750 in.
  • Connecting Rod Length: 5.700 in.
  • -12cc Dished Pistons
  • Externally Balanced
  • Includes:
    • Flexplate
    • Balancer
  • Free Shipping - Ships
    QTY

    How much do I have to bore my stock 350 block for this kit to work? And should I buy a 4 bolt main block?

    Asked by: Jpage
    Eagle 356-B15404E030 Rotating Assembly requires a 4.030 in.bore. The kit can be used with a two or four-bolt main block.
    Answered by: Seth
    Date published: 2025-04-29

    Approximate compression ratio with 70 cc heads? I'm trying to get about 10-1. Also how much block clearing, would I need to put it on my mill or is it something I can do with a hand grinder? Thanks

    Asked by: Rich
    The Eagle 356-B15404E030 will be approximately 9.5:1 with 70cc cylinder heads.
    Answered by: jshook
    Date published: 2025-02-18

    Are these cranks drilled for a pilot bushing? What flywheel should I use? Will the assembly need to be rebalanced?

    Asked by: Mike
    The Eagle 356-B15404E030 balanced rotating assembly will accept a pilot bushing.
    Answered by: jshook
    Date published: 2025-02-06

    what head gasket would I need to use with this rotating assembly and 64cc heads to achieve 9.0:1 compression?

    Asked by: robby
    For Eagle B15404E030 and 64cc heads, you would need a Compressed Gasket Thickness of .085 in. to achieve 9.0:1 compression.
    Answered by: Seth
    Date published: 2025-02-05

    Could I get this with 10 10 bearings

    Asked by: Dan the man
    No, Eagle B15404E030 will not work with 10 10 bearings, and the kit bearings can not be custom ordered.
    Answered by: Seth
    Date published: 2024-11-26

    The kit has a picture of the fly wheel but then mentions it does not include in kit so which one is it does it or doesn’t it come with the kit ? 

    Asked by: Bobgreen23
    The Eagle 356-B15404E030 rotating assembly includes a flexplate for automatic transmission.
    Answered by: jshook
    Date published: 2024-11-07

    How many Rpm is this kit rated for 

    Asked by: Trent
    The Eagle 356-B15404E030 rotating assembly does not have a stated rpm.
    Answered by: jshook
    Date published: 2024-08-18

    What kind of compression will i have with this kit using 64cc aluminum heads?

    Asked by: David c
    The approximate compression using 64cc heads and the Eagle 356-B15404E030 would be about 10:1.
    Answered by: jshook
    Date published: 2024-11-07
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    Some parts are not legal for use in California or other states with similar laws / regulations

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