James Gasket Engine Gasket Set For Harley Milwaukee Eight 2017-2026
Premium Reseal: James Gasket Engine Gasket Set for Harley Milwaukee-Eight (2017–2026)
The James Gasket Engine Gasket Set is the professional choice for any rider or technician performing a complete top-end service, cylinder head work, or big bore kit installation on the modern Harley-Davidson Milwaukee-Eight (M8) engine platform, covering models from 2017 through 2026. This all-inclusive kit provides every critical gasket, seal, and O-ring required to fully and reliably reseal the motor, ensuring that your high-performance M8 engine remains leak-free.
Optimized Sealing for Modern M8 Engines
The Milwaukee-Eight engine runs hotter and operates with higher compression and combustion pressures than previous generations. James Gasket engineered this kit using proprietary, advanced materials specifically designed to handle the M8’s unique demands.
MLS Head Gaskets (M8 Specific): The kit includes robust, Multi-Layer Steel (MLS) Head Gaskets which are mandatory for M8 engines, especially those running high-performance cams or big bore kits. MLS technology provides an unparalleled seal against the high cylinder pressures, offering superior heat management and reliability that far surpasses basic composite gaskets. This is the ultimate M8 Cylinder Head Gasket Replacement.
Advanced Sealing Materials: Gaskets for areas like the rocker boxes and breather assembly often feature silicone bead technology. This raised silicone perimeter ensures an incredibly tight, conforming, and resilient seal around oil passages, effectively eliminating the common oil weepage issues sometimes seen on the M8 platform.
Viton Valve Stem Seals: High-quality Viton valve stem seals are included, essential for maintaining proper oil control and preventing smoke/oil consumption during performance operation.
Comprehensive Coverage for Top-End Reliability
This James Gasket M8 Engine Gasket Set is a complete solution, leaving no seal unaddressed during a top-end overhaul on any 107ci, 114ci, or 117ci M8 engine:
MLS Cylinder Head Gaskets
Cylinder Base Gaskets
Rocker Box Cover Gaskets (Upper, Lower, and Middle Plates)
Intake Manifold Seals
Exhaust Port Gaskets (Often heavy-duty, reinforced material)
Viton Valve Stem Seals
Cam Cover Gasket
Breather Assembly Gaskets
Full Assortment of O-rings (Including vital pushrod tube and drain plug seals)
Choosing this Harley Milwaukee-Eight Full Gasket Kit ensures you have the highest quality components needed for a professional, durable, and complete M8 Engine Reseal after any major engine service.
James Gasket Engine Gasket Set For Harley Milwaukee-Eight
Features
Quality replacement Genuine James gasket
Complete Motor Gasket and Seal Kit
Replaces OEM 25700730
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| James Gasket Engine Gasket Set For Harley Milwaukee Eight 2017-2026 | 10076861 | 166-8554 | 25700730/JGI-25700730 | In Stock: Ships within 24 hours |
This Product Fits
Harley Davidson
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Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022
Road Glide FLTRX 2017-2023
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Softail Breakout FXBR 2018, 2019
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Softail Fat Bob 114 FXFBS 2018-2023
Softail Fat Bob FXFB 2018, 2019
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Softail Low Rider FXLR 2018, 2019, 2020
Softail Low Rider S FXLRS 2020-2026
Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025, 2026
Softail Slim FLSL 2018, 2019, 2020, 2021
Softail Sport Glide FLSB 2018, 2019, 2020, 2021
Softail Standard FXST 2020, 2021, 2022, 2023, 2024
Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024
Softail Street Bob FXBB 2018, 2019, 2020, 2025, 2026
Street Glide CVO/SE FLHXSE 2017-2022
Street Glide FLHX/I 2017-2023
Street Glide Special FLHXS 2017-2023
Street Glide ST FLHXST 2022, 2023
Tri Glide CVO/SE FLHTCUTGSE 2020, 2021, 2022
Tri Glide Ultra Classic FLHTCUTG 2017-2025







