DeatschWerks

550cc Injectors for NA/NB Miata

550cc Injectors for NA/NB Miata - Main image
$184.14 $279 In stock

Category: Fuel Injector

DeatschWerks presents a matched set of four 550cc fuel injectors engineered specifically for NA and NB Mazda Miata models. These direct-fit components deliver precise fuel delivery for high-performance engine builds while maintaining reliable operation.

  • Matched set of four 550cc injectors ensures consistent flow across all cylinders
  • Designed for direct replacement in 1990–2005 Mazda Miata NA and NB chassis
  • Engineered and tested by DeatschWerks for quality fuel system performance
  • Category: Vehicle-Specific Fuel Injectors
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Edward H. ★★★★★

Installed these on my NA and the direct-fit design made the swap almost plug-and-play. After tuning, the car feels noticeably smoother across the rev range.

Jason S. ★★★★★

Having a boosted Miata means constant fuel worries, but these 550s are a relief. The fact they're a matched set gives me real peace of mind for tuning, and the direct-fit design saved me the headache of adapting anything.

Amelia R. ★★★★★

Plugged these in and they fit the stock fuel rail perfectly on my 95, no adapter needed. The matched set took the guesswork out of balancing flow for my turbo build.

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