Horsepower Inc. | Magnetti Marelli Throttle Bodies

Magnetti Marelli | 1995-2001 Harley-Davidson® EFI Models
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Electronic Fuel Injection (EFI) problems have been solved with Horsepower Inc’s single bore throttle body and intake manifold. Our throttle body solves hard starting and erratic idling issues. Tuning becomes a breeze and the performance gains are superior to any other Magnetti Marelli conversion system. You won’t believe it’s the same bike with a Horsepower Inc. throttle body.

Throttle bodies are available in 51mm sizes that have intake runner diameters for 1.660, 1.710, 1.730, 1.760 and 1.800 dimensions.

Part Number	Diameter	Intake Runner	Retail $
HPI-51M-16	51mm	1.660	$900
HPI-51M-17	51mm	1.710	$900
HPI-51M-18	51mm	1.800	$900

*Please note: This unit now accepts the OEM Delphi bolt pattern, and customers will no longer be able to use a stock Marelli air cleaner.

MMXF MAX MAGNETTI MARELLI THROTTLE BODIES
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Our MMXF throttle bodies are an extension of our current Magnetti Marelli throttle bodies that solve injector issues by allowing more air and fuel to pass and are made to accommodate larger cubic inch engines. Each throttle body is supplied with Delphi style injectors, billet fuel rail, 62-psi fuel regulators and factory Harley-Davidson® fuel lines for easy installation.

Part Number	Diameter	Intake Runner	Retail $
HPI-51MM-16	51mm	1.660	$1,360
HPI-51MM-17	51mm	1.710	$1,360
HPI-51MM-18	51mm	1.800	$1,360
HPI-55MM-16	55mm	1.660	$1,360
HPI-55MM-17	55mm	1.710	$1,360
HPI-55MM-18	55mm	1.800	$1,360

*Please note: This unit now accepts the OEM Delphi bolt pattern, and customers will no longer be able to use a stock Marelli air cleaner.

*Extended deck heights are available in 1 week lead time at additional cost.

*Both the Magnetti Marelli and MMXF Max Magnetti Marelli throttle bodies require Delphi/CV bolt pattern air cleaners.