EMPI 8mm Chromoly Case Stud Kit — Stock Length, Single-Port (00-4005-0)

Stock mild-steel case studs stretch and pull under the clamping load of a rebuilt motor — a classic cause of blown head gaskets. This is EMPI's 8mm chromoly case stud kit (00-4005-0), stock length, for single-port applications.

Vehicle Fitment

• VW Beetle: Type 1, single-port, 8mm case threads
• VW Super Beetle: Type 1, single-port, 8mm case threads
• VW Karmann Ghia: Type 1, single-port, 8mm case threads
• VW Type 3: Type 1, single-port, 8mm case threads
• VW Bus: Type 1, single-port, 8mm case threads
• VW Thing/181: Type 1, single-port, 8mm case threads

Key Features & Benefits

• 8mm chromoly case studs: resist stretch and fatigue where stock studs give up
• Stock length, single-port: direct fit for single-port applications
• Even clamping force: for a reliable head seal

Technical Specifications

• Thread: 8mm
• Length: stock
• Application: single-port
• Material: chromoly steel
• Brand: EMPI
• Part Number: 00-4005-0
• UPC: 707924325164

Frequently Asked Questions

• Why chromoly? It resists stretch and fatigue far better than stock mild-steel studs.
• What's the part number? EMPI 00-4005-0 (UPC 707924325164).
• Which engines does it fit? Single-port VW Type 1 engines with 8mm case threads, as used in the Beetle, Super Beetle, Karmann Ghia, Type 3, Bus and Thing.
• What length are the studs? Stock length, for single-port applications.
• Why replace the case studs? Stock mild-steel studs stretch and pull under the clamping load of a rebuilt engine, which is a classic cause of blown head gaskets. Chromoly holds its clamping force.

Explore Related Categories

Engine Parts · Hardware · All VW Air-Cooled

Prop 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.