KIBBLEWHITE Valve Spring Kit - Rocker Shim Conversion - Dual Springs - H.T. Steel Retainers - M8 [2023450]

KIBBLEWHITE Valve Spring Kit - Rocker Shim Conversion - Dual Springs - H.T. Steel Retainers - M8 [2023450]

Manufacturer Part Number: 2023450

Parts Unlimited Part Number: 09263417

Product Type: Valves & Parts

Valve Spring Kit - Rocker Shim Conversion - Dual Springs - H.T. Steel Retainers - M8

Details

• Material: Chrome-Silicon
• Spring Lift: 0.675"
• Application: Exhaust
• Product Name: Spring Kit
• Spring Seat Pressure: 86 lb
• Spring Open Pressure: 317 lb
• Application: Intake
• Collar Material: H.T. Steel
• Model: Dual Spring
• Riding Style: Street
• Style: Conversion
• Valve Seat Height: 1.600"
• Type: Valve Shim
• Units: Kit
• Designed for maximum performance
• Features interference-wound, double-chrome silicone springs; heat-treated steel base washers
• All spring kits should be used together
• Available in a complete set for one engine
• Made in the USA
• Modification necessary to maximize shim contact, KPMI recommends "tipping" (shortening the valve tip).
• There is anticipated to be a rough 0.100" increase in effective stem protrusion with the use of the shim.
• This system must be run with KPMI's newer style M8 valve guides, which are shortened for 0.675" valve lift.

Verified Fitment

• 2018 Harley-Davidson FLHXS Street Glide Special
• 2020 Harley-Davidson FLHXS Street Glide Special
• 2021 Harley-Davidson FLHXS Street Glide Special
• 2023 Harley-Davidson FLHXS Street Glide Special
• 2017 Harley-Davidson FLHXS Street Glide Special
• 2022 Harley-Davidson FLHXS Street Glide Special
• 2019 Harley-Davidson FLHXS Street Glide Special
• 2017 Harley-Davidson FLHTKL Ultra Limited Low
• 2019 Harley-Davidson FLHTKL Ultra Limited Low
• 2018 Harley-Davidson FLHTKL Ultra Limited Low
• 2021 Harley-Davidson FLTRXS Road Glide Special
• 2017 Harley-Davidson FLTRXS Road Glide Special
• 2018 Harley-Davidson FLTRXS Road Glide Special
• 2020 Harley-Davidson FLTRXS Road Glide Special
• 2022 Harley-Davidson FLTRXS Road Glide Special
• 2023 Harley-Davidson FLTRXS Road Glide Special
• 2019 Harley-Davidson FLTRXS Road Glide Special
• 2022 Harley-Davidson FLTRX Road Glide
• 2023 Harley-Davidson FLTRX Road Glide
• 2019 Harley-Davidson FLTRX Road Glide
• 2017 Harley-Davidson FLTRX Road Glide
• 2018 Harley-Davidson FLTRX Road Glide
• 2020 Harley-Davidson FLTRX Road Glide
• 2024 Harley-Davidson FLTRX Road Glide
• 2021 Harley-Davidson FLTRX Road Glide
• 2018 Harley-Davidson FLHRXS Road King Special
• 2020 Harley-Davidson FLHRXS Road King Special
• 2021 Harley-Davidson FLHRXS Road King Special
• 2023 Harley-Davidson FLHRXS Road King Special
• 2017 Harley-Davidson FLHRXS Road King Special
• 2022 Harley-Davidson FLHRXS Road King Special
• 2025 Harley-Davidson FLHRXS Road King Special
• 2024 Harley-Davidson FLHRXS Road King Special
• 2019 Harley-Davidson FLHRXS Road King Special
• 2018 Harley-Davidson FXBRS Breakout 114
• 2019 Harley-Davidson FXBRS Breakout 114
• 2020 Harley-Davidson FXBRS Breakout 114
• 2019 Harley-Davidson FLDE Deluxe 107
• 2018 Harley-Davidson FLDE Deluxe 107
• 2020 Harley-Davidson FLDE Deluxe 107
• 2019 Harley-Davidson FLSL Softail Slim 107
• 2018 Harley-Davidson FLSL Softail Slim 107
• 2020 Harley-Davidson FLSL Softail Slim 107
• 2021 Harley-Davidson FLSL Softail Slim 107
• 2020 Harley-Davidson FXDRS FXDR 114
• 2019 Harley-Davidson FXDRS FXDR 114
• 2022 Harley-Davidson FXLRST Low Rider ST 117
• 2024 Harley-Davidson FXLRST Low Rider ST 117
• 2023 Harley-Davidson FXLRST Low Rider ST 117
• 2022 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2018 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2019 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2020 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2017 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2021 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2023 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2024 Harley-Davidson FLHTCUTG Tri Glide Ultra
• 2025 Harley-Davidson FLHC Heritage Classic 117
• 2023 Harley-Davidson FXLRS Low Rider S 117
• 2022 Harley-Davidson FXLRS Low Rider S 117
• 2024 Harley-Davidson FXLRS Low Rider S 117
• 2017 Harley-Davidson Electra Glide Police FLHTPI
• 2021 Harley-Davidson Electra Glide Police FLHTPI
• 2024 Harley-Davidson Electra Glide Police FLHTPI
• 2019 Harley-Davidson Electra Glide Police FLHTPI
• 2018 Harley-Davidson Electra Glide Police FLHTPI
• 2022 Harley-Davidson Electra Glide Police FLHTPI
• 2020 Harley-Davidson Electra Glide Police FLHTPI
• 2025 Harley-Davidson Electra Glide Police FLHTPI
• 2023 Harley-Davidson Electra Glide Police FLHTPI
• 2017 Harley-Davidson FLHX Street Glide
• 2020 Harley-Davidson FLHX Street Glide
• 2019 Harley-Davidson FLHX Street Glide
• 2021 Harley-Davidson FLHX Street Glide
• 2023 Harley-Davidson FLHX Street Glide
• 2018 Harley-Davidson FLHX Street Glide
• 2022 Harley-Davidson FLHX Street Glide
• 2024 Harley-Davidson FLHX Street Glide
• 2021 Harley-Davidson FLHTKSE CVO Limited
• 2018 Harley-Davidson FLHTKSE CVO Limited
• 2019 Harley-Davidson FLHTKSE CVO Limited
• 2017 Harley-Davidson FLHTKSE CVO Limited
• 2020 Harley-Davidson FLHTKSE CVO Limited
• 2022 Harley-Davidson FLTRK Road Glide Limited
• 2021 Harley-Davidson FLTRK Road Glide Limited
• 2023 Harley-Davidson FLTRK Road Glide Limited
• 2020 Harley-Davidson FLTRK Road Glide Limited
• 2024 Harley-Davidson FLTRK Road Glide Limited
• 2022 Harley-Davidson FXST Softail Standard 107
• 2023 Harley-Davidson FXST Softail Standard 107
• 2021 Harley-Davidson FXST Softail Standard 107
• 2024 Harley-Davidson FXST Softail Standard 107
• 2020 Harley-Davidson FXST Softail Standard 107
• 2019 Harley-Davidson FXFB Fat Bob 107
• 2018 Harley-Davidson FXFB Fat Bob 107
• 2019 Harley-Davidson FLFBS Fat Boy 114
• 2022 Harley-Davidson FLFBS Fat Boy 114
• 2021 Harley-Davidson FLFBS Fat Boy 114
• 2018 Harley-Davidson FLFBS Fat Boy 114
• 2020 Harley-Davidson FLFBS Fat Boy 114
• 2024 Harley-Davidson FLFBS Fat Boy 114
• 2023 Harley-Davidson FLFBS Fat Boy 114
• 2018 Harley-Davidson FLHCS Heritage Classic 114
• 2021 Harley-Davidson FLHCS Heritage Classic 114
• 2024 Harley-Davidson FLHCS Heritage Classic 114
• 2023 Harley-Davidson FLHCS Heritage Classic 114
• 2022 Harley-Davidson FLHCS Heritage Classic 114
• 2020 Harley-Davidson FLHCS Heritage Classic 114
• 2019 Harley-Davidson FLHCS Heritage Classic 114
• 2018 Harley-Davidson FXBB Street Bob 107
• 2020 Harley-Davidson FXBB Street Bob 107
• 2019 Harley-Davidson FXBB Street Bob 107
• 2021 Harley-Davidson FXBBS Street Bob 114
• 2023 Harley-Davidson FXBBS Street Bob 114
• 2022 Harley-Davidson FXBBS Street Bob 114
• 2024 Harley-Davidson FXBBS Street Bob 114
• 2022 Harley-Davidson Softail Street Bob FXBB
• 2025 Harley-Davidson Softail Street Bob FXBB
• 2018 Harley-Davidson FLRT Freewheeler
• 2019 Harley-Davidson FLRT Freewheeler
• 2020 Harley-Davidson FLRT Freewheeler
• 2024 Harley-Davidson FLRT Freewheeler
• 2017 Harley-Davidson FLRT Freewheeler
• 2023 Harley-Davidson FLRT Freewheeler
• 2022 Harley-Davidson FLRT Freewheeler
• 2025 Harley-Davidson FLRT Freewheeler
• 2021 Harley-Davidson FLRT Freewheeler
• 2022 Harley-Davidson FLHTCUTGSE CVO Tri Glide
• 2021 Harley-Davidson FLHTCUTGSE CVO Tri Glide
• 2020 Harley-Davidson FLHTCUTGSE CVO Tri Glide
• 2025 Harley-Davidson Street Glide EFI FLHX
• 2025 Harley-Davidson FLHXSE CVO Street Glide
• 2024 Harley-Davidson FLHXSE CVO Street Glide
• 2019 Harley-Davidson FLHXSE CVO Street Glide
• 2023 Harley-Davidson FLHXSE CVO Street Glide
• 2020 Harley-Davidson FLHXSE CVO Street Glide
• 2021 Harley-Davidson FLHXSE CVO Street Glide
• 2018 Harley-Davidson FLHXSE CVO Street Glide
• 2017 Harley-Davidson FLHXSE CVO Street Glide
• 2022 Harley-Davidson FLHXSE CVO Street Glide
• 2025 Harley-Davidson Softail Breakout FXBR
• 2025 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
• 2023 Harley-Davidson FLTRKSE CVO Road Glide Limited
• 2022 Harley-Davidson FLTRKSE CVO Road Glide Limited
• 2023 Harley-Davidson FLHTK Ultra Limited
• 2018 Harley-Davidson FLHTK Ultra Limited
• 2020 Harley-Davidson FLHTK Ultra Limited
• 2024 Harley-Davidson FLHTK Ultra Limited
• 2021 Harley-Davidson FLHTK Ultra Limited
• 2017 Harley-Davidson FLHTK Ultra Limited
• 2022 Harley-Davidson FLHTK Ultra Limited
• 2019 Harley-Davidson FLHTK Ultra Limited
• 2019 Harley-Davidson FLHT Electra Glide Standard
• 2021 Harley-Davidson FLHT Electra Glide Standard
• 2022 Harley-Davidson FLHT Electra Glide Standard
• 2020 Harley-Davidson FLHT Electra Glide Standard
• 2019 Harley-Davidson FLHR Road King
• 2022 Harley-Davidson FLHR Road King
• 2017 Harley-Davidson FLHR Road King
• 2018 Harley-Davidson FLHR Road King
• 2021 Harley-Davidson FLHR Road King
• 2020 Harley-Davidson FLHR Road King
• 2019 Harley-Davidson FLTRXSE CVO Road Glide
• 2023 Harley-Davidson FLTRXSE CVO Road Glide
• 2022 Harley-Davidson FLTRXSE CVO Road Glide
• 2024 Harley-Davidson FLTRXSE CVO Road Glide
• 2020 Harley-Davidson FLTRXSE CVO Road Glide
• 2018 Harley-Davidson FLTRXSE CVO Road Glide
• 2021 Harley-Davidson FLTRXSE CVO Road Glide
• 2025 Harley-Davidson FLTRXSE CVO Road Glide
• 2022 Harley-Davidson FLHXST Street Glide ST
• 2023 Harley-Davidson FLHXST Street Glide ST
• 2018 Harley-Davidson FXFBS Fat Bob 114
• 2020 Harley-Davidson FXFBS Fat Bob 114
• 2019 Harley-Davidson FXFBS Fat Bob 114
• 2023 Harley-Davidson FXFBS Fat Bob 114
• 2021 Harley-Davidson FXFBS Fat Bob 114
• 2019 Harley-Davidson FLHC Heritage Classic 107
• 2018 Harley-Davidson FLHC Heritage Classic 107
• 2020 Harley-Davidson FLHC Heritage Classic 107
• 2021 Harley-Davidson FLHC Heritage Classic 107
• 2021 Harley-Davidson FLSB Sport Glide 107
• 2020 Harley-Davidson FLSB Sport Glide 107
• 2018 Harley-Davidson FLSB Sport Glide 107
• 2019 Harley-Davidson FLSB Sport Glide 107
• 2020 Harley-Davidson FXLRS Low Rider S 114
• 2021 Harley-Davidson FXLRS Low Rider S 114
• 2025 Harley-Davidson Softail Low Rider ST FXLRST
• 2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic
• 2018 Harley-Davidson FLHTCU Electra Glide Ultra Classic
• 2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic
• 2022 Harley-Davidson FLTRXST Road Glide ST
• 2023 Harley-Davidson FLTRXST Road Glide ST
• 2019 Harley-Davidson FXLR Low Rider 107
• 2018 Harley-Davidson FXLR Low Rider 107
• 2020 Harley-Davidson FXLR Low Rider 107
• 2025 Harley-Davidson Road Glide Custom FLTRX
• 2017 Harley-Davidson FLTRU Road Glide Ultra
• 2018 Harley-Davidson FLTRU Road Glide Ultra
• 2019 Harley-Davidson FLTRU Road Glide Ultra
• 2018 Harley-Davidson FLFB Fat Boy 107
• 2019 Harley-Davidson FLFB Fat Boy 107
• 2024 Harley-Davidson FXBR Breakout 117
• 2023 Harley-Davidson FXBR Breakout 117
• 2019 Harley-Davidson FXBR Breakout 107
• 2018 Harley-Davidson FXBR Breakout 107
• 2025 Harley-Davidson Softail Low Rider S FXLRS
• 2021 Harley-Davidson FLH Electra Glide Revival
• 2025 Harley-Davidson Softail Fat Boy FLFB