M6 x 1.0 / M8 x 1.25 x 31 mm Double End Repair Stud, Each, N144021

M6 x 1.0 / M8 x 1.25 x 31 mm Double End Repair Stud, Each, N144021

$6.95

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M6 x 1.0 / M8 x 1.25 x 31 mm Double End Repair Stud, Each, N144021

Single port heads have 6mm threads. Fits Type 1 45–70, Ghia 56–74, Type 2 50–70, Type 3 62–66. The 6mm threaded hole can be tapped to 8mm. Sold Each.

Restore stripped or damaged cylinder head threads with this EMPI Double-End Repair Stud. Featuring a stepped design with M6 x 1.0 threads on one end and M8 x 1.25 threads on the other, this 31mm stud is perfect for repairing single port heads. It allows you to tap out the original 6mm hole to accept an 8mm stud—providing a secure and lasting fix for your engine build or repair.

Product Features:

  • Stepped stud: M6 x 1.0 to M8 x 1.25, 31mm length
  • Ideal for repairing stripped cylinder head threads
  • Compatible with single port VW heads
  • Durable steel construction for long-term reliability
  • Sold individually (each)

Compatibility:

  • Compatible with VW air-cooled models:
    • Type 1 (1945–1970)
    • Karmann Ghia (1956–1974)
    • Type 2 Bus (1950–1970)
    • Type 3 (1962–1966)
  • Works with heads originally threaded for 6mm studs

Part Details:

  • Part Number: 98-8740-B
  • UPC: 707924469042
  • Dimensions: 31mm length

Whether you're rebuilding a vintage air-cooled engine or performing a quick repair, this EMPI step stud offers a reliable solution to restore proper thread engagement and keep your motor running strong.

98-8740-B – 6MM/8MM x 31MM STEP STUD, EA

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