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COMP Cams Ultra Pro Magnum Rocker Arms Chevy LS3 V8 (Factory Offset)

249-1678-16


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Ultra Pro Magnum Rocker Arms Chevy LS3 V8 (Factory Offset)
$499.95
4 left in stock
Ultra Pro Magnum Rocker Arms
  • Chevy LS3 V8 (Factory Offset)
  • Rocker Stud: Pedestal Mount
  • Ratio: 1.8
  • 16/pkg
  • Free Shipping - Ships
    QTY

    1678-16 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Works on Pontiac g8 gt Just writing review to help answer some questions i had. On Pontiac g8 basically LS3 heads 1.they do fit under stock valve cover 2. I used the same length pushrod 7.4 with .060 to .080 preload but heads were milled .030 also used 7.40 pushrods 3. the roller pattern right in the middle of valve stem.
    Date published: 2020-02-03
    • y_2023, m_1, d_29, h_21
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    • clientName_jegs

     Is there any machining or are they a direct fit? Also will they fit stock LS3 valve covers?

    Asked by: Parts pro
    The Comp 249-1678-16 does not require machining and may fit under stock valve covers depending on cam lift.
    Answered by: jshook
    Date published: 2022-09-20
    • y_2023, m_1, d_28, h_21CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.34
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    • clientName_jegs

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