S&S Cycle M-Series Piston Cooling Jet Kit — Fits Multiple Harley-Davidson Models

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Engine Longevity with the S&S Cycle M-Series Piston Cooling Jet Kit

Protect your high-performance Harley-Davidson engine from excessive heat with the S&S Cycle M-Series Piston Cooling Jet Kit. This essential upgrade directs a precise spray of oil to the underside of your pistons, significantly reducing combustion chamber temperatures and preventing detonation. By lowering operating temperatures, you enhance engine reliability, extend component life, and can even unlock more performance potential.

Benefits of Piston Cooling:

  • Reduced Piston Temperatures: Directly combats heat buildup, preventing piston scuffing and ring land damage.
  • Prevents Detonation: Lower temperatures minimize the risk of harmful engine knock, ensuring smoother operation.
  • Extended Engine Life: Protects critical engine components from heat-related wear and failure.
  • Optimized Oil Flow: Engineered for precise oil delivery to the critical piston crown area.
  • Improved Performance: A cooler engine can often run more efficiently and reliably under load.
  • Wide Fitment: Designed to fit a broad range of 2017+ Harley-Davidson M8 models, including Touring, Softail, and Trike platforms.

The S&S Cycle M-Series Piston Cooling Jet Kit is a crucial upgrade for any M8 owner looking to push their engine's limits or simply ensure maximum longevity and reliability. Invest in the health of your engine.

Ensure your engine stays cool under pressure. Get the S&S Cycle M-Series Piston Cooling Jet Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2025 Harley-Davidson FLFB Fat Boy 117 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2025 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2025 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2025 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2025 Harley-Davidson FLHXU Street Glide Ultra Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2017 Harley-Davidson FLS Softail Slim Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2017 Harley-Davidson FLSS Softail Slim S Base
2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2017 Harley-Davidson FLSTF Fat Boy Base
2017 Harley-Davidson FLSTFBS Fat Boy S Base
2025 Harley-Davidson FLSTFI Fat Boy Gray Ghost Base
2017 Harley-Davidson FLSTN Softail Deluxe Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024-2025 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2025 Harley-Davidson FLTRX Road Glide Base
2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2025 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2025 Harley-Davidson FLTRXSTSE CVO Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2025 Harley-Davidson FXBB Street Bob 117 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2024-2025 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2017 Harley-Davidson FXDF Fat Bob Base
2017 Harley-Davidson FXDL Dyna Low Rider Base
2017 Harley-Davidson FXDL Low Rider Base
2017 Harley-Davidson FXDLS Low Rider S Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2017 Harley-Davidson FXDWG Dyna Wide Glide Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2020 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2025 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2025 Harley-Davidson FXLRST Low Rider ST 117 Base

…and 7 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Engine Longevity with the S&S Cycle M-Series Piston Cooling Jet Kit

Protect your high-performance Harley-Davidson engine from excessive heat with the S&S Cycle M-Series Piston Cooling Jet Kit. This essential upgrade directs a precise spray of oil to the underside of your pistons, significantly reducing combustion chamber temperatures and preventing detonation. By lowering operating temperatures, you enhance engine reliability, extend component life, and can even unlock more performance potential.

Benefits of Piston Cooling:

  • Reduced Piston Temperatures: Directly combats heat buildup, preventing piston scuffing and ring land damage.
  • Prevents Detonation: Lower temperatures minimize the risk of harmful engine knock, ensuring smoother operation.
  • Extended Engine Life: Protects critical engine components from heat-related wear and failure.
  • Optimized Oil Flow: Engineered for precise oil delivery to the critical piston crown area.
  • Improved Performance: A cooler engine can often run more efficiently and reliably under load.
  • Wide Fitment: Designed to fit a broad range of 2017+ Harley-Davidson M8 models, including Touring, Softail, and Trike platforms.

The S&S Cycle M-Series Piston Cooling Jet Kit is a crucial upgrade for any M8 owner looking to push their engine's limits or simply ensure maximum longevity and reliability. Invest in the health of your engine.

Ensure your engine stays cool under pressure. Get the S&S Cycle M-Series Piston Cooling Jet Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2025 Harley-Davidson FLFB Fat Boy 117 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2025 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2025 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2025 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2025 Harley-Davidson FLHXU Street Glide Ultra Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2017 Harley-Davidson FLS Softail Slim Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2017 Harley-Davidson FLSS Softail Slim S Base
2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2017 Harley-Davidson FLSTF Fat Boy Base
2017 Harley-Davidson FLSTFBS Fat Boy S Base
2025 Harley-Davidson FLSTFI Fat Boy Gray Ghost Base
2017 Harley-Davidson FLSTN Softail Deluxe Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024-2025 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2025 Harley-Davidson FLTRX Road Glide Base
2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2025 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2025 Harley-Davidson FLTRXSTSE CVO Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2025 Harley-Davidson FXBB Street Bob 117 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2024-2025 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2017 Harley-Davidson FXDF Fat Bob Base
2017 Harley-Davidson FXDL Dyna Low Rider Base
2017 Harley-Davidson FXDL Low Rider Base
2017 Harley-Davidson FXDLS Low Rider S Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2017 Harley-Davidson FXDWG Dyna Wide Glide Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2020 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2025 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2025 Harley-Davidson FXLRST Low Rider ST 117 Base

…and 7 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Engine Longevity with the S&S Cycle M-Series Piston Cooling Jet Kit

Protect your high-performance Harley-Davidson engine from excessive heat with the S&S Cycle M-Series Piston Cooling Jet Kit. This essential upgrade directs a precise spray of oil to the underside of your pistons, significantly reducing combustion chamber temperatures and preventing detonation. By lowering operating temperatures, you enhance engine reliability, extend component life, and can even unlock more performance potential.

Benefits of Piston Cooling:

  • Reduced Piston Temperatures: Directly combats heat buildup, preventing piston scuffing and ring land damage.
  • Prevents Detonation: Lower temperatures minimize the risk of harmful engine knock, ensuring smoother operation.
  • Extended Engine Life: Protects critical engine components from heat-related wear and failure.
  • Optimized Oil Flow: Engineered for precise oil delivery to the critical piston crown area.
  • Improved Performance: A cooler engine can often run more efficiently and reliably under load.
  • Wide Fitment: Designed to fit a broad range of 2017+ Harley-Davidson M8 models, including Touring, Softail, and Trike platforms.

The S&S Cycle M-Series Piston Cooling Jet Kit is a crucial upgrade for any M8 owner looking to push their engine's limits or simply ensure maximum longevity and reliability. Invest in the health of your engine.

Ensure your engine stays cool under pressure. Get the S&S Cycle M-Series Piston Cooling Jet Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
2018-2019 Harley-Davidson FLFB Fat Boy 107 Base
2025 Harley-Davidson FLFB Fat Boy 117 Base
2018-2023 Harley-Davidson FLFBS Fat Boy 114 Base
2021 Harley-Davidson FLH Electra Glide Revival Base
2018-2021 Harley-Davidson FLHC Heritage Classic 107 Base
2018-2024 Harley-Davidson FLHCS Heritage Classic 114 Base
2023 Harley-Davidson FLHFB Electra Glide Highway King Base
2017-2022 Harley-Davidson FLHR Road King Base
2017-2025 Harley-Davidson FLHRXS Road King Special Base
2019-2022 Harley-Davidson FLHT Electra Glide Standard Base
2017-2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2017-2025 Harley-Davidson FLHTCUTG Tri Glide Ultra Base
2022 Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. Base
2020-2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide Base
2017-2021 Harley-Davidson FLHTKSE CVO Limited Base
2017-2025 Harley-Davidson FLHX Street Glide Base
2017-2023 Harley-Davidson FLHXS Street Glide Special Base
2017-2025 Harley-Davidson FLHXSE CVO Street Glide Base
2022-2023 Harley-Davidson FLHXST Street Glide ST Base
2025 Harley-Davidson FLHXU Street Glide Ultra Base
2024 Harley-Davidson FLI Hydra-Glide Revival Base
2017-2025 Harley-Davidson FLRT Freewheeler Base
2017 Harley-Davidson FLS Softail Slim Base
2018-2021 Harley-Davidson FLSB Sport Glide 107 Base
2018-2021 Harley-Davidson FLSL Softail Slim 107 Base
2017 Harley-Davidson FLSS Softail Slim S Base
2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2017 Harley-Davidson FLSTF Fat Boy Base
2017 Harley-Davidson FLSTFBS Fat Boy S Base
2025 Harley-Davidson FLSTFI Fat Boy Gray Ghost Base
2017 Harley-Davidson FLSTN Softail Deluxe Base
2020-2024 Harley-Davidson FLTRK Road Glide Limited Base
2022 Harley-Davidson FLTRKSE CVO Road Glide Limited Base
2024-2025 Harley-Davidson FLTRT Road Glide 3 Base
2017-2019 Harley-Davidson FLTRU Road Glide Ultra Base
2017-2025 Harley-Davidson FLTRX Road Glide Base
2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR Base
2017-2023 Harley-Davidson FLTRXS Road Glide Special Base
2018-2025 Harley-Davidson FLTRXSE CVO Road Glide Base
2022-2023 Harley-Davidson FLTRXST Road Glide ST Base
2025 Harley-Davidson FLTRXSTSE CVO Road Glide ST Base
2018-2020 Harley-Davidson FXBB Street Bob 107 Base
2025 Harley-Davidson FXBB Street Bob 117 Base
2021-2024 Harley-Davidson FXBBS Street Bob 114 Base
2018-2019 Harley-Davidson FXBR Breakout 107 Base
2024-2025 Harley-Davidson FXBR Breakout 117 Base
2018-2020 Harley-Davidson FXBRS Breakout 114 Base
2017 Harley-Davidson FXDF Fat Bob Base
2017 Harley-Davidson FXDL Dyna Low Rider Base
2017 Harley-Davidson FXDL Low Rider Base
2017 Harley-Davidson FXDLS Low Rider S Base
2019-2020 Harley-Davidson FXDRS FXDR 114 Base
2017 Harley-Davidson FXDWG Dyna Wide Glide Base
2018-2019 Harley-Davidson FXFB Fat Bob 107 Base
2018-2023 Harley-Davidson FXFBS Fat Bob 114 Base
2018-2020 Harley-Davidson FXLR Low Rider 107 Base
2020-2021 Harley-Davidson FXLRS Low Rider S 114 Base
2022-2025 Harley-Davidson FXLRS Low Rider S 117 Base
2022-2025 Harley-Davidson FXLRST Low Rider ST 117 Base

…and 7 additional fitments. Contact us to confirm yours.

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