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Air Cooled VW 1963-1979 Chromoly Engine Case Studs 8mm .5 Inches 12.7mm Longer than Stock

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Brand Logo AA Performance Products
Item ID: 321-156
Availability: In Stock - Ships today if ordered by 3 PM CT
Only 1 Left, Order Soon!
Fits Years:
  • Bay Window Bus 1968-1971
  • Karmann Ghia 1963-1974
  • Split Window Bus 1963-1967
  • Standard Beetle 1963-1977
  • Super Beetle 1971-1979
  • Thing 1973-1974
  • Type 3 1962-1973
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  • Description

1963-1979 Chromoly Engine Case Studs 8mm .5 Inches 12.7mm Longer than Stock

If you have a higher performance Volkswagen then you need these Chromoly Race Studs. These have increased impact yield and tensile strength due to a higher carbon and nickel content then other studs. Corrosion resistance is also realized due to the higher nickel content. These are a must for Volkswagen race applications because of the 12 point aircraft style torsional lock nuts. This new design ensures that the torque remains constant.

  • +12.7mm Longer Than Stock Length 8mm
  • Chromoly
  • For Use with Dual Port Heads

Note: These will fit all cases when threaded for 8mm. 8mm case studs are used for late cases with dual port heads, or when converting early cases with single port heads, to 8mm studs.



Also known under these part numbers: (For reference only)

  • 00-4021-0
  • 101029LB
  • 686420039815
Prop 65