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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
Ensure maximum clamping force and engine reliability with the ARP 204-3901 Head Bolt Kit. Designed specifically for the 1.8L DOHC 20V Turbo engines found in various Audi and Volkswagen platforms, this kit provides a significant upgrade over factory hardware. Whether you are performing a routine cylinder head service or building a high-performance engine, ARP bolts offer the precision and strength required to prevent head gasket failure under boost.
This kit is engineered to handle the increased cylinder pressures associated with performance tuning. The 204-3901 set ensures your engine maintains a perfect seal, protecting your investment during spirited driving or track use. By utilizing heat-treated materials, these bolts offer improved fatigue resistance compared to OEM alternatives. Trust your engine build to the industry-leading quality found at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1997-2005 | Audi | A4 | Base |
| 2003-2006 | Audi | A4 | Cabriolet |
| 1997-2005 | Audi | A4 Quattro | Base |
| 1999-2005 | Audi | A4 Quattro | Avant |
| 2000-2006 | Audi | TT | Base |
| 2000-2006 | Audi | TT Quattro | Base |
| 2000-2001 | Volkswagen | Golf | GLS |
| 2000-2001 | Volkswagen | Golf | GTI GLS |
Other popular ARP products customers consider together:
ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
Ensure maximum clamping force and engine reliability with the ARP 204-3901 Head Bolt Kit. Designed specifically for the 1.8L DOHC 20V Turbo engines found in various Audi and Volkswagen platforms, this kit provides a significant upgrade over factory hardware. Whether you are performing a routine cylinder head service or building a high-performance engine, ARP bolts offer the precision and strength required to prevent head gasket failure under boost.
This kit is engineered to handle the increased cylinder pressures associated with performance tuning. The 204-3901 set ensures your engine maintains a perfect seal, protecting your investment during spirited driving or track use. By utilizing heat-treated materials, these bolts offer improved fatigue resistance compared to OEM alternatives. Trust your engine build to the industry-leading quality found at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1997-2005 | Audi | A4 | Base |
| 2003-2006 | Audi | A4 | Cabriolet |
| 1997-2005 | Audi | A4 Quattro | Base |
| 1999-2005 | Audi | A4 Quattro | Avant |
| 2000-2006 | Audi | TT | Base |
| 2000-2006 | Audi | TT Quattro | Base |
| 2000-2001 | Volkswagen | Golf | GLS |
| 2000-2001 | Volkswagen | Golf | GTI GLS |
Other popular ARP products customers consider together:
