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Chevrolet Performance 12371058

Screw-In Rocker Arm Stud Kit Small Block Chevy LT1/LT4

Chevrolet Performance 12371058

809-12371058

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Estimated ship date 08/23/17 if Ordered Today
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Chevrolet Performance 12371058 Screw-In Rocker Arm Stud Kit Small Block Chevy LT1/LT4 $30.01
Screw-In Rocker Arm Stud Kit
  • Small Block Chevy LT1/LT4
  • 3/8" Stud
  • 7/16"-14 Lower Thread
  • 16/pkg

  • Chevrolet Performance 12371058 Details

    Small Block Chevy

    Notes: These studs are used on all late-model LT1, LT4, and any head not using a pushrod guideplate. Kit includes 16 pieces. For single replacement stud use GM P/N 12552126. Will NOT work with guideplates.

    Technical Information:
  • Base Thread Size: 7/16-14 in.
  • Rocker Arm Nut Thread Size: 3/8-24 in.
  • Guideplate Locator Shank: No
  • Rocker Arm Nut Thread Length (in): 0.820 in.
  • Effective Stud Length (in): 1.331 in.
  • Base Thread Length (in): 0.500 in.

  • Specifications:

    Base Thread Length (in.)
    0.5
    Base Thread Size (in.)
    7/16-14
    Effective Stud Length (in.)
    1.331
    Guideplate Locator Shank
    No
    Quantity
    Sold as a set of 16
    Rocker Arm Nut Thread Length (in.)
    0.82
    Manufacturer's Part Number:
    12371058

    Chevrolet Performance Screw-In Rocker Arm Studs are designed to be installed on all Chevy high-performance cylinder heads machined for screw-in studs using guideplates. Unlike pressed-in studs, screw-in studs are more rugged and won't displace under high loads. Available for small and big block applications.

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