Audi 2.5L TTRS / RS3 ARP L19 Head Stud Kit
Head stud kit for high-boost Audi 2.5L applications where increased clamping force and tensile strength are needed beyond an ARP2000 stud kit. Developed to address head-lift concerns seen on engines running in excess of 25 PSI, and recommended for setups boosting higher than 30 PSI.
Material & Construction
- L19 vacuum-melted alloy steel with sufficient chromium and carbon for high hardness and superior strength
- 15% stronger than ARP2000
- 55% increase in tensile strength over OEM torque-to-yield (TTY) bolts
Fitment
- Direct drop-in replacement for OEM head studs
- No modification to the VW cylinder head or block required
Specifications
- Torque specification: 90 ft/lbs
- Yield strength: 200–230,000 PSI
- Tensile strength: 260,000 PSI
What’s Included
- Complete set of L19 head studs
- Nuts and washers (premium grade 8740 alloy)
- ARP assembly lubricant
Care Notes (L19)
- Requires special care to avoid hydrogen embrittlement
- Material is easily contaminated and subject to stress corrosion
- Keep well-oiled and do not expose to moisture
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Audi | RS3 | - | 2.5L TFSI CEPA CZGB |
| Audi | TTRS | - | 2.5L TFSI CEPA CZGB |
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ARP Head Stud Kit for Audi RS3, TTRS 2.5L TFSI CEPA CZGB Extreme Duty L19
502.54€
497.51€
Excl. VAT: 411.17€
EU Shipping — No Import Taxes
Tags: Default Category|Engine and turbo|Bolts and studs ARP,
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Audi | RS3 | - | 2.5L TFSI CEPA CZGB |
| Audi | TTRS | - | 2.5L TFSI CEPA CZGB |
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