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Chevrolet Performance 12570326

Cylinder Head Dowel Pin SB Chevy LS Engine

Chevrolet Performance 12570326


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Chevrolet Performance 12570326 Cylinder Head Dowel Pin SB Chevy LS Engine $3.69
Cylinder Head Dowel Pin
  • GM LS Engine

  • Specifications:

    Manufacturer's Part Number:

    The Chevrolet Performance L76/L92 Aluminum Cylinder Head is designed to fit any LS family engine with a four inch or larger bore. The LS-Series family of engines has continued Chevrolet Performance's tradition of raising the power potential of the legendary small-block V-8. The great cylinder head airflow potential has been a key factor in the performance of these engines. This aluminum production style head is no exception with great out-of-box flow potential and is a true bolt-on replacement or performance upgrade!

  • Manufactured from 319-T5 aluminum alloy
  • 2.165" solid stem intake valves
  • 1.590" solid stem exhaust valves
  • 15 degree valve angle
  • .510" max valve lift
  • As-cast 260cc L92 style intake ports
  • D-shaped exhaust ports
  • As-cast 70cc combustion chambers
  • 14mm, 5/8" hex, 3/4" reach, taper-seat Angled spark plug
  • Bolt-down-type rocker arms
  • Center-bolt valve cover hold-downs
  • Fits any LS family engine with 4.000" bore or larger

    L76/L92 Cylinder Head Flow Chart
    Valve Lift Intake Flow Exhaust Flow

  • what are the dimensions of the dowel pins diameter and length

    Asked by: Deryk
    Inside Diameter (in.)0.51 Dowel Pin Length (in.)0.59 Outside Diameter (in.)0.65
    Answered by: Rusty B
    Date published: 2017-10-18
    • y_2017, m_12, d_16, h_21CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_3088416, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

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