top of page

INJECTING HORSEPOWER INTO THE V-TWIN INDUSTRY SINCE 2002

HOME
ABOUT
SERVICES
PRODUCTS
SHOP BY MODEL
DEALERS
- LOCATE A DEALER
- BECOME A DEALER
FORMS
TECH
CONTACT
More

Use tab to navigate through the menu items.

We proudly Support

m8 manifold only.jpg

MILWAUKEE-EIGHT® 2023.5+

Shop all HPi Milwaukee-Eight® 2023.5+ Gen II performance products by HPi

Filter by

All
Manifolds
Replacement Parts
Injectors
Throttle Bodies

$22

$795

F Your Carb
High Polish
HPi Center Logo
Keep Up
No Cover Option
No HPi Center Logo
Plain Black
Plain Black Exposed Bolt

10 gps
5.5gps
6.2gps
8.7 gps
Ethanol

70mm Billet M8 Gen II
70mm CAST M8 Gen II
Gen II M8 Manifold Only

HPI-GII-MO
HPI-IFRS-GII

58mm HPi
68mm SE
70mm HPi
Stock

GEN II

M8® Gen II Throttle Body
Price$795.00
Excluding Sales Tax
M8® Gen II Manifold Only
Price$300.00
Excluding Sales Tax
New Arrival

Center-Cooled V2 M8 2023.5 CVO-'24+
Price$425.00
Excluding Sales Tax
Gen II Oval Replacement Seals
Price$22.00
Excluding Sales Tax
M8® Carbon Side Cover
Price$75.00
Excluding Sales Tax
Milwaukee 8®

Milwaukee 8® High Flow
Price$285.00
Excluding Sales Tax

© 2022-2025 Horsepower Inc. and HPi Logos and Trademarks All Rights Reserved.
Harley-Davidson® is a registered trademark and is used for reference only.

Legal Disclaimer

Terms & Conditions

bottom of page