S&S Cycle Single-Bore EFI Throttle Body Kit - 58 mm, Delphi | 106-4407

58 mm single-bore EFI throttle body kit with fuel rail for Harley-Davidson Big Twin models with Delphi fuel injection.

Specifications

• Brand: S&S Cycle
• Manufacturer part number: 106-4407
• Throttle body bore: 58 mm.
• Type: single-bore EFI throttle body kit.
• Injection system: Delphi fuel injection.
• Finish: natural.
• Use: large-displacement competition engines.

Fitment and installation

• 2001–2005 Harley-Davidson Big Twin models equipped with Delphi fuel injection; excludes 2001 Touring.

Package contents

• Fuel rail included.

Installation notes

• Not compatible with E85 fuel.
• Installation reuses applicable stock TPS, IAC, MAP or BARO and IAT sensors, fuel supply lines, manifold flanges and throttle cables. New or custom installations require these parts to be sourced for the application.
• Installation also requires an application-matched air cleaner cover/back plate and S&S single-bore intake manifold with seals. Confirm which parts are supplied with the kit and which must be obtained separately.
• Use S&S manifold seals; stock manifold seals are too thick and may damage the manifold.
• Intended for closed-course racing use.
• Have a qualified technician install the kit using S&S instruction 51-1239 and the applicable vehicle service manual.
• Before ordering, confirm the part number, model/year, installation position, dimensions, finish and package contents against your motorcycle and installation requirements.