• DeatschWerks 550cc matched set of 8 fuel injectors for Audi S4, RS6, S6 and S8 4.2L V8
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DeatschWerks 550cc Injectors Audi S4 RS6 S6 S8 4.2L - 21S-06-0550-8

DeatschWerks 550cc Injectors Audi S4 RS6 S6 S8 4.2L - 21S-06-0550-8

$611.15 USD
$611.15 USD
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DeatschWerks
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DWK21S-06-0550-8
Looking for the lowest price?

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

Phone Call or Text 336-900-7223

Email - support@eliteracefab.com

21S-06-0550-8
Looking for the lowest price?

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

Phone Call or Text 336-900-7223

Email - support@eliteracefab.com

In stock
Fuel Injector Sets - 8Cyl
Key Features & Specs: Brand: DeatschWerks Part Number: 21S-06-0550-8 Injector Flow Rate: 550cc/min per injector Set Quantity: Matched set of 8 fuel injectors Engine Application: Audi 4.2L V8 platforms Fueling...
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Description

Key Features & Specs:

  • Brand: DeatschWerks
  • Part Number: 21S-06-0550-8
  • Injector Flow Rate: 550cc/min per injector
  • Set Quantity: Matched set of 8 fuel injectors
  • Engine Application: Audi 4.2L V8 platforms
  • Fueling Upgrade: Increased injector capacity for compatible modified performance builds
  • V8 Coverage: Complete set supplies one injector for each cylinder
  • Matched Set Design: Supports more consistent cylinder-to-cylinder fuel delivery
  • Audi Performance Focus: Designed for select S and RS-series Audi V8 applications
  • Tuning Note: Proper ECU calibration is required when changing injector size

Fitment:

  • 2001-2009 Audi S4 4.2L V8
  • 2001-2009 Audi RS6 4.2L V8
  • 2001-2009 Audi S6 4.2L V8
  • 2001-2009 Audi S8 4.2L V8
  • Nissan Titan 5.6L

Fitment Note:

  • Confirm exact vehicle year, injector dimensions, connector compatibility, fuel rail fitment, fuel type, and tuning requirements before purchase.

The DeatschWerks 21S-06-0550-8 is a matched set of eight 550cc/min fuel injectors for select Audi 4.2L V8 performance applications. Designed for 2001-2009 Audi S4, RS6, S6, and S8 platforms, this set provides increased fueling capacity for properly tuned naturally aspirated or forced-induction builds. The matched eight-injector configuration helps establish a more consistent fuel-delivery foundation across all cylinders, making it a practical upgrade for modified Audi V8 projects.

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