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Made in Germany

2.5L TFSI Audi RS3 8V & TTRS 8S High End stud bolt Cylinder Head BAR-TEK®

Product number: 21rs456

Manufacturer: BAR-TEK®

BAR-TEK® High End stud bolt

18.8 Tool steel
Tensile strength above 1800 N/mm² (270,000 psi)
Nickel coating
Made in Germany

€699.96

€700.00*

Prices incl. VAT plus shipping costs

Immediate delivery!

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Made in Germany

Description

Description

High End stud bolt Kit for the cylinder head for all 2.5L TFSI EA855Evo engines as in Audi RS3 8V & TTRS 8S

A MUST for all engines that drive with high charge pressure and ARP is not yet stable enough!
BAR-TEK® stud bolt have a Innensechantzum to screw in the stud bolt. Due to a cone on the block side of the bolts, they do not rest on the thread flanks when tightening the nuts, but in the bore of the thread in the engine block . This support protects the threads during frequent assembly of racing engines.

Manufactured from ultra pure 18.8 tool steel
All threads rolled for highest possible strength
with shoulder cone for preloading for optimum distribution of forces on all threads
Hexagon socket drive for easy installation
Tensile strength over 1800 N/mm² (270,000 psi)
Nickel coating for outstanding corrosion protection
reusable

Up to 35% stronger expansion steel than ARP bolts.

includes bag of Moly Paste

Tightening torque in three passes. Last stage 110Nm.

Picture similar

Do you have questions about the product? Just start the chat, we will help you with your product selection.

Questions & Answers

Fits for

Fits for

A3 / S3 / RS3 | 8V | Year built 2012-2020 2 Engines

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

Q3 / RS Q3 | F3 | Year built 2018-> 2 Engines

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

TT / TTS / TT RS | FV/8S | Year built 2014-> 2 Engines

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

Formentor | I (Typ VZ) | Year built 2020-> 1 Engines

Engine	Engine code
2.5 TFSI (EA855 evo)	DNWB \| 390 PS (287 kW)

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Description

High End stud bolt Kit for the cylinder head for all 2.5L TFSI EA855Evo engines as in Audi RS3 8V & TTRS 8S

A MUST for all engines that drive with high charge pressure and ARP is not yet stable enough!
BAR-TEK® stud bolt have a Innensechantzum to screw in the stud bolt. Due to a cone on the block side of the bolts, they do not rest on the thread flanks when tightening the nuts, but in the bore of the thread in the engine block . This support protects the threads during frequent assembly of racing engines.

Manufactured from ultra pure 18.8 tool steel
All threads rolled for highest possible strength
with shoulder cone for preloading for optimum distribution of forces on all threads
Hexagon socket drive for easy installation
Tensile strength over 1800 N/mm² (270,000 psi)
Nickel coating for outstanding corrosion protection
reusable

Up to 35% stronger expansion steel than ARP bolts.

includes bag of Moly Paste

Tightening torque in three passes. Last stage 110Nm.

Picture similar

Do you have questions about the product? Just start the chat, we will help you with your product selection.

Questions & Answers

Fits for

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

Engine	Engine code
2.5 TFSI (EA855 evo)	DAZA \| 400 hp (294 kW)
2.5 TFSI (EA855 evo)	DNWA \| 400 hp (294 kW)

Engine	Engine code
2.5 TFSI (EA855 evo)	DNWB \| 390 PS (287 kW)

Videos

Questions about the product

Do you have a question about the product? Our experts will be happy to help you

Reviews

Blog Posts

Accessories

universal

ARP Montagepaste Ultra Torque GROSS

ARP Ultra Torque assembly lubricant BIG

Immediate delivery!

Guaranteed to fit in your car!

professional assembly

for all screws & bolts

350 gram with brush

€25.25

2.5L TFSI ARP Schrauben für Nockenwellenrahmen

2.5L TFSI Audi RS3 & TTRS Screws for camshaft frame ARP

Immediate delivery!

made of 8740 chromoly steel

30 % stronger expansion steel

€129.95

2.5L TFSI Audi RS3 & TTRS stud bolt Block ARP & BAR-TEK®

2.5L TFSI Audi RS3 & TTRS stud bolt Block ARP & BAR-TEK®

Immediate delivery!

Extremely stable

30% harder stretch steel

das beste in einem Kit

€299.95

2.5L TFSI ARP Schrauben für Kardanwelle

2.5L TFSI ARP bolts for Propshaft

Immediate delivery!

Super processing

Extremely stable

€79.95

1.8T & VW Stehbolzen Krümmer am Zylinderkopf ARP

2.5L RS3 & TTRS studs for manifold to Cylinderhead BAR-TEK®

Delivery time 1 - 3 days

Extremely stable

30% harder stretch steel

€199.95

2.5L TFSI Audi RS3 & TTRS High End Block stud kit BAR-TEK®

2.5L TFSI Audi RS3 & TTRS High End Block stud kit BAR-TEK®

Delivery 5 to 8 days

Vergrößerte ID Fasen

gehärteter Stahlrücken

Blei, Zinn, Kupfer Beschichtung

€699.95

sale

2.5L TFSI Audi RS3 8V & TTRS 8S I-Shaft Steel Connecting Rod 144 x 23mm Trapezoid with ARP Bolts BAR-TEK®

2.5L TFSI Audi RS3 8V & TTRS 8S I-Shaft Steel Connecting Rod 144 x 23mm Trapezoid with ARP Bolts BAR-TEK®

Immediate delivery!

for series and forged pistons

Conrod eye with trapezoid

Bending stability

super lightweight

% €649.95 €599.95

2.5L TFSI Audi RS3 8V & TTRS 8S Forged Pistons & Steel Connecting Rods High Boost JE & BAR-TEK®

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Delivery time 1 - 3 days

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€2,799.95

2.5L TFSI Audi RS3 8V & TTRS 8S Race Cut Ring Cylinder Head Gasket Athena

2.5L TFSI Audi RS3 8V & TTRS 8S Race Cut Ring Cylinder Head Gasket Athena

Immediate delivery!

Stainless Steel Cut Rings

Thickness: 1,40mm

€245.99

VAG High End stud bolt Gold Series cylinder head BAR-TEK®

VAG High End stud bolt Gold Series cylinder head BAR-TEK®

Delivery 5 to 8 days

Tensile strength over 1900 N/mm^2 (250,000 psi)

made from 18.8 tool steel

€523.99

Cutsomers also bought

Tip

2.5L TFSI Audi RS3 & TTRS H-Beam conrods 22 piston pin BAR-TEK®

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Immediate delivery!

Titanium nitrated

Extremely light and very stable

€899.95

2.5L TFSI Audi RS3 & TTRS sport valve spring set BAR-TEK®

2.5L TFSI Audi RS3 & TTRS sport valve spring set BAR-TEK®

Immediate delivery!

Lighter valve train

Absolutely stable

More charge pressure possible

€599.95

2.5 TFSI Audi RS3 & TTRS stud bolt Block ARP & BAR-TEK® ®

2.5 TFSI Audi RS3 & TTRS stud bolt Block ARP & BAR-TEK® ®

Immediate delivery!

Extremely stable

30% harder stretch steel

das beste in einem Kit

CEPA, CEPB, CZGB

€299.95

2.5L TFSI Audi TTRS & RS3 timing chain kit

2.5L TFSI Audi TTRS & RS3 timing chain kit

Delivery time 1 - 3 days

Made in Germany

CEPA, CEPB, CZGB

€699.00

2.5L TFSI Audi TTRS & RS3 Block Dichtsatz

2.5L TFSI Audi RS3 & TTRS Block Gasket Set

Immediate delivery!

For all 2.5L TFSI

Contains all seals

CEPA, CEPB, CZGB

€179.95

2.5L TFSI Audi RS3 & TTRS Zylinderkopfdichtungs Kit

2.5L TFSI Audi RS3 & TTRS Cylinder Head Gasket Kit

Immediate delivery!

all seals included

CEPA, CEPB, CZGB

From

€339.95