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Thank you for visiting AMTuned. Home of the most powerful & reliable Audi engine builds. Below are our featured products.

AMTuned OEM Audi Ultimate Timing Service Kit - Audi B6 / B7 S4 4.2L & Audi Allroad 4.2L

AMTuned OEM Audi Ultimate Timing Service Kit - Audi B6 / B7 S4 4.2L & Audi Allroad 4.2L

AMTuned OEM Audi Ultimate Timing Service Kit - Audi B6 / B7 S4 4.2L & Audi Allroad 4.2L

From $2,460.54

AMTuned Private Label Timing Kit - Audi 4.2L 40V B6 / B7 S4 & Allroad

AMTuned Private Label Timing Kit - Audi 4.2L 40V B6 / B7 S4 & Allroad

AMTuned Private Label Timing Kit - Audi 4.2L 40V B6 / B7 S4 & Allroad

From $899.95

AMTuned Head Stud Kit by Point One Manufacturing for Audi EA837 & EA839 Platform

AMTuned Head Stud Kit by Point One Manufacturing for Audi EA837 & EA839 Platform

AMTuned Head Stud Kit by Point One Manufacturing for Audi EA837 & EA839 Platform

$799.99

Audi B9 EA839 AMTuned main stud kit by Point ONE

Audi B9 EA839 AMTuned main stud kit by Point ONE

Audi B9 EA839 AMTuned main stud kit by Point ONE

$329.95

AMTuned Spec Diamond Pistons & Pauter Connecting Rod Package EA839 3.0L

AMTuned Spec Diamond Pistons & Pauter Connecting Rod Package EA839 3.0L

AMTuned Spec Diamond Pistons & Pauter Connecting Rod Package EA839 3.0L

$3,550.00

Audi 12.5:1 4.2L 84.5mm Forged Pistons by Diamond Pistons (4.2 S5, 4.2 RS4, 4.2 R8, 4.2 RS5)

Audi 12.5:1 4.2L 84.5mm Forged Pistons by Diamond Pistons (4.2 S5, 4.2 RS4, 4.2 R8, 4.2 RS5)

Audi 12.5:1 4.2L 84.5mm Forged Pistons by Diamond Pistons (4.2 S5, 4.2 RS4, 4.2 R8, 4.2 RS5)

$2,195.95

Audi EA839 JE Piston Package EA839 3.0L

Audi EA839 JE Piston Package EA839 3.0L

Audi EA839 JE Piston Package EA839 3.0L

$1,850.95

AMTuned Phaser Sprockets for Audi B6 / B7 S4 4.2L

AMTuned Phaser Sprockets for Audi B6 / B7 S4 4.2L

AMTuned Phaser Sprockets for Audi B6 / B7 S4 4.2L

$624.95

Metal Slave Cylinder Braided Clutch Line Kit For B6 / B7 S4 & B7 RS4

Metal Slave Cylinder Braided Clutch Line Kit For B6 / B7 S4 & B7 RS4

Metal Slave Cylinder Braided Clutch Line Kit For B6 / B7 S4 & B7 RS4

$199.95

Audi 3.2L Stroker Kit for 3.0 EA837 Supercharged Engines

Audi 3.2L Stroker Kit for 3.0 EA837 Supercharged Engines

Audi 3.2L Stroker Kit for 3.0 EA837 Supercharged Engines

$3,495.95

Supertech Performance Standard Size Valves for B6 / 7 Audi S4 BHF /BBK 40V 4.2L

Supertech Performance Standard Size Valves for B6 / 7 Audi S4 BHF /BBK 40V 4.2L

Supertech Performance Standard Size Valves for B6 / 7 Audi S4 BHF /BBK 40V 4.2L

$1,049.95

Audi 4.2 32 Valve R8, RS4, S5 13:1 Compression Piston Set

Audi 4.2 32 Valve R8, RS4, S5 13:1 Compression Piston Set

Audi 4.2 32 Valve R8, RS4, S5 13:1 Compression Piston Set

$1,999.95

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