Cam Chest Kit for M8 — gear drive, water-cooled

S&S Cycle Cam Chest Kit for M8 — gear drive, water-cooled

Fits: Touring 2017-2025 · CVO 2017-2026

S&S CYCLE
0925-1678
310-1386A
Precision cam chest kit that improves cam timing accuracy, removes the stock cam chain tensioner, increases oil flow capacity, and includes outer drive gears.
Our price €2,300.27
RRP: €3,008.04RRP = manufacturer's recommended retail price
VAT included
Ships from our US warehouse · 20–25 days

Description

Upgrade your M8 with a precision cam chest kit designed to improve cam timing accuracy and eliminate the stock cam chain tensioner.

This complete kit features matched components for superior fit, finish and performance, removable passage plugs for servicing, and independent scavenge sections with debris screens to protect the oil system.

  • Oil pump and cam plate are precision-machined from billet aluminum with a durable anodized finish.
  • Increased oil flow capacity on both the feed and scavenge sides; a magnet in the cam chest helps capture debris before the oil pump.
  • Adjustable pressure relief valve is serviceable with the unit installed; billet tappet cuffs are hard-anodized to resist distortion and improve tappet stability at high lift and rpm.
  • Includes finished pushrod tubes, premium tappets, and outer drive gears for a complete installation.

Made in the USA. Will fit M8 models with VVT.

Specifications

Features Chrome Pushrod Tubes

Fitment

Model Years
Harley Davidson
FLHTCU 1750 ABS (Electra Glide Ultra Classic 107) 2017–2019
FLHTK 1750 ABS (Electra Glide Ultra Limited 107) 2017
FLHTK 1750 ABS (Ultra Limited Shrine Edition 107) 2018
FLHTK 1868 ABS (Glide Ultra Limited 114) 2024
FLHTK 1868 ABS (Ultra Limited Shrine Edition 114) 2019–2023
FLHTKL 1750 ABS (Electra Glide Ultra Limited Low 107) 2017
FLHTKL 1750 ABS (Ultra Limited Low 107) 2018
FLHTKL 1868 ABS (Ultra Limited Low 114) 2019
FLHTKSE 1868 ABS (Electra Glide Ultra Limited CVO 114) 2017
FLHTKSE 1923 ABS (Ultra Limited CVO 117) 2019–2021
FLHTKSE 1923 ABS (Ultra Limited CVO Anniversary 117) 2018
FLHXLSE 1977 ABS (Street Glide Limited CVO 1977 ABS) 2026
FLHXSE 1868 ABS (Street Glide CVO 114) 2017
FLHXSE 1923 ABS (Street Glide CVO 117) 2018, 2020–2022
FLHXSE 1977 ABS (Street Glide CVO 121) 2023–2026
FLHXU 1977 ABS (Street Glide Ultra 121) 2025
FLTRK 1868 ABS (Road Glide Limited 114) 2020–2024
FLTRKSE 1923 ABS (Road Glide Limited Anniversary CVO 117) 2023
FLTRKSE 1923 ABS (Road Glide Limited CVO 117) 2022
FLTRU 1750 ABS (Road Glide Ultra 107) 2017–2018
FLTRU 1868 ABS (Road Glide Ultra 114) 2019
FLTRXSE 1923 ABS (Road Glide CVO 117) 2018, 2020–2022
FLTRXSE 1977 ABS (Road Glide CVO 121) 2023–2025
FLTRXSTSE 1977 ABS (Road Glide ST CVO 121 H.O.) 2026
FLTRXSTSE 1977 ABS (Road Glide ST CVO 121) 2024–2025

Part numbers

Manufacturer part number 310-1386A
: 0925-1678
Ships from our US warehouse · 20–25 days

Data sheet

Type
Gear Drive
Units
Kit
Brand
S&S CYCLE
Application
Water Cooled
Grind
496 Series
Exhaust Close
15°
Exhaust Duration
243°
Exhaust Lift
0,485"
Exhaust Lift at TDC
0,097"
Exhaust Open
48°
Intake Close
40°
Intake Duration
227°
Intake Lift
0,485"
Intake Lift at TDC
0,072"
Intake Open
7°
Model Family
CVO
Touring

Vehicle Fitments

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Ultra Classic 107 Touring 2017
Harley Davidson Electra Glide Ultra Classic 107 Touring 2018
Harley Davidson Electra Glide Ultra Classic 107 Touring 2019
Harley Davidson Electra Glide Ultra Limited 107 Touring 2017
Harley Davidson Ultra Limited Shrine Edition 107 Touring 2018
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2019
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2020
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2021
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2022
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2023
Harley Davidson Glide Ultra Limited 114 Touring 2024
Harley Davidson Electra Glide Ultra Limited Low 107 Touring 2017
Harley Davidson Ultra Limited Low 107 Touring 2018
Harley Davidson Ultra Limited Low 114 Touring 2019
Harley Davidson Electra Glide Ultra Limited CVO 114 CVO 2017
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Ultra Limited CVO 117 CVO 2020
Harley Davidson Ultra Limited CVO 117 CVO 2021
Harley Davidson Ultra Limited CVO Anniversary 117 Touring 2018
Harley Davidson Street Glide Limited CVO 1977 ABS CVO 2026
Harley Davidson Street Glide CVO 114 CVO 2017
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2020
Harley Davidson Street Glide CVO 117 CVO 2021
Harley Davidson Street Glide CVO 117 CVO 2022
Harley Davidson Street Glide CVO 121 CVO 2023
Harley Davidson Street Glide CVO 121 CVO 2024
Harley Davidson Street Glide CVO 121 CVO 2025
Harley Davidson Street Glide CVO 121 CVO 2026
Harley Davidson Street Glide Ultra 121 Touring 2025
Harley Davidson Road Glide Limited 114 Touring 2020
Harley Davidson Road Glide Limited 114 Touring 2021
Harley Davidson Road Glide Limited 114 Touring 2022
Harley Davidson Road Glide Limited 114 Touring 2023
Harley Davidson Road Glide Limited 114 Touring 2024
Harley Davidson Road Glide Limited CVO 117 CVO 2022
Harley Davidson Road Glide Limited Anniversary CVO 117 CVO 2023
Harley Davidson Road Glide Ultra 107 Touring 2017
Harley Davidson Road Glide Ultra 107 Touring 2018
Harley Davidson Road Glide Ultra 114 Touring 2019
Harley Davidson Road Glide CVO 117 CVO 2018
Harley Davidson Road Glide CVO 117 CVO 2020
Harley Davidson Road Glide CVO 117 CVO 2021
Harley Davidson Road Glide CVO 117 CVO 2022
Harley Davidson Road Glide CVO 121 CVO 2023
Harley Davidson Road Glide CVO 121 CVO 2024
Harley Davidson Road Glide CVO 121 CVO 2025
Harley Davidson Road Glide ST CVO 121 CVO 2024
Harley Davidson Road Glide ST CVO 121 CVO 2025
Harley Davidson Road Glide ST CVO 121 H.O. CVO 2026

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