


Average rating of 5 out of 5 stars
2.5L TFSI Audi RS3 & TTRS stud bolt cylinder head ARP
- High Boost
- Extremely stable
- 30% harder stretch steel
- 100 % reusable

- Description
- ARP is the market leader in this field.
- The stud bolt are made of 8740 chromoly steel and have rounded threads.
- Up to 30% stronger expansion steel than stock bolts.
- 100% reusable.
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- Accessories
ARP stud kit cylinder head for all 2.5L TFSI engines as installed in Audi TTRS and Audi RS3.
A MUST for all engines that drive with increased charge pressure!
Now also available as BAR-TEK High-Boost version!
Recommended from 2 Bar charge pressure.
ARP Kit includes 12 stud bolt with matching nuts and ARP Moly Paste.
Tightening torque in three stages. Last stage 115 Nm.
The stud bolt require a 12mm inner variety nut. The High Boost variant 16mm.
Manufacturer
Info about manufacturer
ARP
Automotive Racing Products, Inc.
1863 Eastman Avenue, Ventura, CA 93003, United States
https://arp-bolts.com/p/contact.php
Info about manufacturer contact
BAR-TEK Motorsport GmbH
Im Rauschen Auel 3, 51491 Overath-Brombach, Germany
info@bar-tek.com
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CEPA | 340 hp (250 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CZGB | 367 hp (270 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CTSA | 310 hp (228 kW) |
2.5 TFSI (EA855) | CZGA | 340 hp (250 kW) |
2.5 TFSI (EA855) | CZGB | 367 hp (270 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CEPA | 340 hp (250 kW) |
2.5 TFSI (EA855) | CEPB | 360 hp (265 kW) |


Accessories
ARP stud kit cylinder head for all 2.5L TFSI engines as installed in Audi TTRS and Audi RS3.
A MUST for all engines that drive with increased charge pressure!
- ARP is the market leader in this field.
- The stud bolt are made of 8740 chromoly steel and have rounded threads.
- Up to 30% stronger expansion steel than stock bolts.
- 100% reusable.
Now also available as BAR-TEK High-Boost version!
Recommended from 2 Bar charge pressure.
ARP Kit includes 12 stud bolt with matching nuts and ARP Moly Paste.
Tightening torque in three stages. Last stage 115 Nm.
The stud bolt require a 12mm inner variety nut. The High Boost variant 16mm.
Manufacturer
Info about manufacturer
ARP
Automotive Racing Products, Inc.
1863 Eastman Avenue, Ventura, CA 93003, United States
https://arp-bolts.com/p/contact.php
Info about manufacturer contact
BAR-TEK Motorsport GmbH
Im Rauschen Auel 3, 51491 Overath-Brombach, Germany
info@bar-tek.com
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CEPA | 340 hp (250 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CZGB | 367 hp (270 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CTSA | 310 hp (228 kW) |
2.5 TFSI (EA855) | CZGA | 340 hp (250 kW) |
2.5 TFSI (EA855) | CZGB | 367 hp (270 kW) |
Engine | Engine code |
---|---|
2.5 TFSI (EA855) | CEPA | 340 hp (250 kW) |
2.5 TFSI (EA855) | CEPB | 360 hp (265 kW) |


Accessories