Air and Fuel› Fuel Injection Systems and Components - Electronic

DeatschWerks

1000cc/min Low-Impedance Fuel Injector Set

$249.00

SKU: DWK42M-03-1000-2

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The DeatschWerks 42M-03-1000-2 is a set of two low-impedance fuel injectors with a 1000cc/min flow rate. These top-feed injectors are designed for the Mazda RX7 FC 1.3T model years 1986-1987. Each set is balanced to within a 2% flow variation.
Show original supplier description
The DeatschWerks 42M-03-1000-2 is a matched set of two low-impedance, top-feed fuel injectors, each capable of delivering 1000cc/min. These injectors are specifically designed for the Mazda RX7 FC with a 1.3T engine, covering the 1986 and 1987 model years. Constructed using quality OEM cores, DeatschWerks ensures high performance and reliability. Each set of injectors is meticulously balanced to within a 2% flow variation, guaranteeing consistent fuel delivery across all cylinders for optimal engine performance and tuning. The injectors feature an 11mm upper O-ring for secure fitment. These injectors are intended for performance applications and may require modifications or additional tuning to function correctly with your vehicle's specific setup. It is recommended to consult with a professional or refer to specific tuning guides for installation and calibration.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDeatschWerks
Part NumberDWK42M-03-1000-2
CategoryAir and Fuel

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy