CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds

Ask an expert

Brand: CSFSKU / Part #: CSF8404

Regular price: $300.00
Regular price
Sale price: $300.00
Unit price: per

Apply at checkout

Subtotal: $300.00

Quantity:

CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds

Subtotal: $300.00

Not sure it fits? Text us your VIN

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

Call(310) 231-0292 Text(310) 886-3111 ChatLive chat

Price match: found it cheaper?
Secure checkout · Shop Pay · Affirm
AutoTalent since 2006

Free Shipping

Free standard shipping on orders over $99

Coupon Code on First Order

Price Match Guarantee

Free shipping on $99+ order

30-days Returns

Overview

The CSF "No Limit" B58 & S58 Air-to-Air Billet Manifolds (CSF #8401 & #8402) come with one fuel rail for port injection (for 6 injector setups). For those looking to run dual port injection, CSF offers a second fuel rail kit. The CSF #8404 Fuel Rail Kit comes with all the necessary mounting hardware and features the same -8 ORB fitting as the primary rail. It can be set up as a return or returnless system.

For secondary top feed port injection (additional 6 injectors for a total of 12 injectors) on the CSF #8401 and #8402
CNC machined 6061 Billet Aluminum Made by CPC (Made in Australia)
Includes -8 ORB plug for returnless setup
Includes Mounting Hardware

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