HORSEPOWER INC HPI-55D1-16B Throttlebody Inc.

( Brand: Horsepower Inc ), ( Manufacturer Part Number: HPI-55D1-16B ), ( Color: Silver ), ( Item Length: 55 Mm )

Review HORSEPOWER INC Inc. 55mm Throttlebody

The HPI-55D1-16B Throttle Body from Horsepower offers a high-performance upgrade for your engine, catering to both racing enthusiasts and those seeking a smoother driving experience. With a generous 55mm diameter, this throttle body allows for increased airflow, enabling your engine to breathe more efficiently.

The HPI-55D1-16B is a durable component, constructed from high-quality materials that ensure a long lifespan. The throttle body features a 16-blade precision-machined throttle plate, designed to provide a quick and precise response. This design helps in optimizing engine performance, resulting in improved acceleration and power delivery.

The throttle body is equipped with a vacuum secondary idle circuit, which ensures stable idle under various engine loads and conditions. This feature is particularly beneficial for engines that require a consistent idle speed for optimal operation.

The HPI-55D1-16B Throttle Body comes with a well-engineered idle mixture screw, allowing for fine-tuning of the air-fuel mixture for optimal performance and fuel economy. The throttle body also features a CNC-machined aluminum housing, which not only enhances its durability but also contributes to a sleek and modern appearance.

In summary, the HPI-55D1-16B Throttle Body from Horsepower is a high-performance upgrade for your engine that offers increased airflow, precise throttle response, stable idle, and the ability to fine-tune the air-fuel mixture. This throttle body is an excellent choice for those seeking improved engine performance, whether for racing or everyday driving.

The HPI-55D1-16B Throttle Body is a component frequently used in automotive applications to regulate the amount of air entering the engine, affecting engine performance. Here are some pros and cons to consider before making a purchase:

1. Wide Application: The HPI-55D1-16B can be used in various types of engines, providing a versatile option for a variety of vehicles.

2. Improved Performance: This throttle body can contribute to better engine efficiency, potentially improving acceleration and power output.

3. Durable Design: The HPI-55D1-16B is built to withstand high temperatures and pressures, ensuring long-lasting performance.

4. Easy Installation: This throttle body is designed for easy installation, making it accessible for both professional mechanics and DIY enthusiasts.

1. Potential Fitment Issues: It's essential to ensure that this throttle body is compatible with your specific vehicle make and model to avoid any potential fitment issues.

2. Requires Tuning: For optimal performance, tuning may be necessary after installation, which might require additional tools and expertise.

3. Cost: The HPI-55D1-16B may be more expensive compared to some stock throttle bodies, which could be a consideration for budget-conscious buyers.

In conclusion, the HPI-55D1-16B Throttle Body can provide improved performance for your vehicle, but it's crucial to ensure compatibility and consider any potential fitment or tuning requirements. If you are comfortable with the installation process and willing to invest in a high-quality performance part, this throttle body could be a worthwhile investment. However, if you're working with a tight budget or have concerns about compatibility, it might be best to consult with a professional mechanic before making a purchasing decision.

Details:

Please review the pictures. Marten fuel injectors and all OE Harley Davidson sensors. This was installed on my 2003 Heritage Softail whisper Stock 79cc cylinder heads as part of a 98 build. I had hoped to install this on my '07 Ultra now building after Softail was totaled but the sensor connections aren't compatible.

There is no damage to any of the parts and it Includes everything pictured.

part #: hpi55d116b prices

• $706.46-$839.90

specifications intakefuelmotorcycle:

• brand: Horsepower Inc
• mpn: Hpi-55d1-16b
• color: Silver
• item length: 55 Mm

payments intakefuelmotorcycle:

• credit card: Diners-club
• wallet: Apple-pay
• other

general intakefuelmotorcycle:

• condition: Used
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

offer intakefuelmotorcycle:

• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• started: April 20, 2025

returns intakefuelmotorcycle:

• policy: No Returns

seller intakefuelmotorcycle:

• rating: 100.0%
• city: Ruther Glen, Virginia
• # reviews: 206

shipping intakefuelmotorcycle:

• cost: $21.30
• service: USPS Priority Mail
• type: Calculated
• transit: 4-9 Days
• carrier: USPS
• class: Expedited

Horsepower Inc HPI-55D1-16B Is Similar To:

• 01-05 Hpi-55mfi-18 1022-0066 Horsepower Inc Harley-davidson 55mm Maxflow Throttle Body For Twin Cam W Delphi Efi (44.2% similar) Bike Davidson DNA low rider injected fixedly super glide custom injected faxed 2005 super glide injected faxed super glide sport injected faxed Harley Davidson Softail wide glide injected faxed deluxe injected Alston 2005 deuce injected fixated fat boy injected Falstaff heritage classic ...(April 7th, 2016)
• 1022-0160 Hpi-55d6-16 Horsepower Big Bore Throttle Body 55mm 1.66 For 01-05 Tc (38.8% similar) Increasingly, many of our manufacturers handle claims directly to speed up the process of exchange or sending replacement parts. All products are warranted against manufacturer defects. Electrical parts must go back to the manufacturer for bench testing. Shipping domestic shipping is free for most ...(February 12th, 2016)
• 06-up Dhpi-62mf116-18 Horsepower Inc Harley-davidson 62mm Throttle Body (54.1% similar) For the throttle body and 400 for the air cleaner. Or better offer. Brand new 62MM throttle body for 06 and up Harley's with throttle by cable...(February 27th, 2016)
• Hpi-51d1-16 Horsepower Inc Delphi Style Throttle (54.5% similar) Flow bench-tested and Dino-proven to deliver Increased airflow, Horsepower torque fully machined ported internally for unparalleled feature a natural finish with split shaft design stainless steel spring equipped sealed double roller bearing smooth throttle operation brass blade resists deflection, ...(January 11th, 2017)
• Hpi-51d6-16 Horsepower Inc Throttle Body Performance (50.5% similar) Packaging: each size: 51MM specific application: yes style: performance replacement type: throttle body catalog details:catalog part number: 1022-0159CATALOG reference: parts unlimited 2017 fatback, page 616FITMENTHARLEY-DAVIDSON black line - fs 2013 HARLEY-DAVIDSON breakout efi Fox's 2015 ...(February 16th, 2017)
• Hpi-51d6-17 1022-0064 Horsepower Inc Harley-davidson 51mm Big (35.7% similar) Bike Davidson DNA: fat bob faxed low rider faxed fixedly 2006 street faxed faxed super glide custom faxed faxed FD faxed switchback fled wide faxed Harley Softail: faxed black line fs breakout Fox's 2013 cross bones flusters deluxe fasten injected Alston deuce fixated 2007 boy Falstaff ...(February 10th, 2017)
• Hpi-55d1-18 1022-0063 Horsepower Inc Harley-davidson 55mm Big (42.9% similar) Call us at 1 or e-mail here. Best pricing. Bike Davidson DNA: low rider injected fixedly super glide custom faxed 2005 faxed sport faxed Harley Softail: wide faxed deluxe Alston deuce fixated fat boy Falstaff heritage classic flats springier flats night train foxiest flats exists touring: ...(January 10th, 2017)
• Hpi-55d6-18 1022-0065 Horsepower Inc Big Bore Throttle Body (52.7% similar) Call us at 1 or e-mail here. Why wanna-RD. Bike Davidson DNA: fat bob faxed low rider faxed fixedly 2006 street faxed faxed super glide custom faxed faxed FD faxed switchback fled 2012 wide faxed Harley Softail: faxed black line fs breakout Fox's 2013 cross bones flusters deluxe fasten ...(May 11th, 2018)
• Hpi-55d6-76 Injectors Horsepower 2006-2015 flo hpi-55d6-76 Throttle 4.9gms (44.1% similar) 9GMS and taps, map, Isaac and mat MFA fits all Harley big twin twin cam will not work for touring model's with BTW. 55MM throttle body with ported polished manifold it's missing 1 intake flange and gasket available from hpi for it comes with the Harley Davidson hi Flo intake runners, part hpi 55D6 ...(October 29th, 2014)
• Efi Horsepower 06-14 Twin Hpi-58mf6-18 Cam Throttlebody 1022-0089 Delphi 1.8 58-62mm (51.9% similar) Best pricing. Note for twin cam with Delphi efi except flt fl hr flax flt and Harley fl trikes...(December 16th, 2014)
• Horsepower Hpi-v2cd-c2 2 Cyclone Driven Cable V2 Cleaner Air Harley (36.7% similar) With a flow rate of 428. Just because they own a Dino does not mean they know how to use it. V2 cyclone 2 air cleaner hpi V2CD c2 for cable driven Harley model's buy this item and receive free shipping. Call or maximize your engine potential with a high flow air cleaner. Accepts Delphi CV bolt ...(November 1st, 2014)