Engines and Components› Cylinder Heads and Components

Damond Motorsports

Injector Stud Kit

$75.00

SKU: DMMSINJSTUD

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Damond Motorsports Injector Stud Kit is designed for Mazdaspeed6, Mazdaspeed3, and CX-7 vehicles. It replaces the factory T40 injector bolts with studs and nuts, simplifying installation and removal. This kit provides the same clamp load as the OE bolt and includes a stainless cone washer and high-grade nut for durability.
Show original supplier description
The Damond Motorsports Injector Stud Kit is engineered to enhance the serviceability of your Mazdaspeed6, Mazdaspeed3, and CX-7. This kit replaces the problematic factory T40 injector bolts with a stud and nut system, streamlining the process of injector installation and removal. This is an ideal upgrade when performing tasks such as replacing injector seals. It is paired with a durable stainless cone washer and a high-grade nut, ensuring longevity and facilitating easier serviceability for future maintenance. This kit is perfect for use in conjunction with other maintenance items, such as the Overspeed Seals offered by Damond Motorsports, to ensure a complete and efficient service.

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

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Specifications

BrandDamond Motorsports
Part NumberDMMSINJSTUD
CategoryEngines and Components

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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.

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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.

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