• Thanks for contacting us! We'll get back to you as soon as possible
Photo - Primary }
Photo - Close Up }
Photo - out of package }
Logo Image }
Brand: CSFSKU / Part #: CSF8403
Regular price
$75.00
Regular price
Sale price
$75.00
Check your purchasing power Apply at checkout
Subtotal: $75.00
CSF 1/8in NPT Adaptor Plugs for CSF B58/S58 Manifolds - Set Of 6
Subtotal: $75.00
Not sure it fits? Text us your VIN

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

Free Shipping

Free standard shipping on orders over $99

Coupon Code on First Order

Coupon Code on First Order

Price Match Guarantee

Price Match Guarantee

Free shipping on $99+ order

Free shipping on $99+ order

30-days Returns

30-days Returns

Learn more about our Price match policy
Overview

The CSF #8403 Nitrous Express Jet Fitting Adaptor Plug Kit comes with 6 plugs (one for each runner). If you are not running port injection and wish to run multiple forms of other injection systems these plugs can also be used in place of the primary fuel rail as well. If you are not running port injection and wish to run multiple forms of other injection systems these plugs can also be used in place of the primary fuel rail as well.

  • Internally threading is 5/16-24 for Nitrous Express Plate Jet Fittings (NX PN: 16149) or VXL Nozzle (NX PN: 80019)
  • Fits all CSF B58 and S58 Manifold Injector Bungs
  • Includes (qty. 6) adapter plugs and O-Rings
  • Anodized Black Finish

This Part Fits:

Year Make Model Submodel
2023-2026 BMW M2 Base
2023-2026 BMW M240i Base
2022-2026 BMW M240i xDrive Base
2021-2026 BMW M3 Base
2021-2026 BMW M3 Competition
2022-2026 BMW M3 Competition xDrive
2024 BMW M3 CS
2020-2024 BMW M340i Base
2020-2024 BMW M340i xDrive Base
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2025 BMW M4 CS
2023 BMW M4 CSL
2021-2024 BMW M440i Base
2022-2024 BMW M440i Gran Coupe Base
2021-2024 BMW M440i xDrive Base
2022-2024 BMW M440i xDrive Gran Coupe Base
2020-2024 BMW X3 M
2020-2022 BMW X3 M Competition
2020-2025 BMW X4 M
2020-2022 BMW X4 M Competition
2022-2026 BMW Z4 M40i
2024 Toyota GR Supra 45th Anniversary Edition
2021-2022 Toyota GR Supra A91 Edition
2023 Toyota GR Supra A91-MT Edition
2020-2026 Toyota GR Supra Base
2020 Toyota GR Supra Launch Edition
2026 Toyota GR Supra MkV Final Edition
2020-2026 Toyota GR Supra Premium
Fitment
Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions

Others People Also Bought