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Engine - Valve Train - Valve Springs

58 products
Powersport Superstore is your go-to source for Engine - Valve Train - Valve Springs and related parts. Shop our unbeatable selection of Valve Springs with top-tier service, fast shipping, and great prices.
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Vehicle Fitment Combos Show all Vehicle Fitment Combos
Regular price $546.73
Sale price $546.73
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Conversion kit uses Kibblewhite racing springs combined with a lightweight valve spring retainer that houses a standard 9.5 mm hardened steel shim. Rocker arm rides directly on the 9.5mm shim surfa...
Regular price $389.95
Sale price $389.95
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Feuling Beehive valve spring kits are direct replacement with no machining or rocker box clearance required up to .574in lift for 84-04 Big Twin and 86-03 XL and up to .700in lift for 05-11 Twin Ca...
Regular price $142.97
Sale price $142.97
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Type: Intake / Exhaust. Retainer Material: H.T. Steel. Valve Lift: 0.480in. Installed Height: 1.315in. Seat Pressure: 157#. Open Pressure: 342#. @ Lift: 0.480in. Note: May require R model valves to...
Regular price $147.47
Sale price $147.47
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Type: Intake / Exhaust. Retainer Material: H.A. 7075-T6. Valve Lift: 0.600in. Installed Height: 1.510in. Seat Pressure: 152#. Open Pressure: 387#. @ Lift: 0.600in. Note: The basewasher is counterbo...
35% Off
Regular price $49.44
Sale price $49.44
Regular price $75.57
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per 
Set of 2. For use with Titanium Valve only. Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country. Made from the highest quality Kobe spring wire. Ut...
Regular price $71.06
Sale price $71.06
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Special valve springs ease high lift cam installation. Aluminum upper collars may be used with stock keepers. Sold in sets of 4.Vehicle Fitment:1948-1950 Harley Davidson F 1948-1964 Harley Davidson...
Regular price $69.31
Sale price $69.31
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Special valve springs ease high lift cam installation. Aluminum upper collars may be used with stock keepers. Sold in sets of 4.Vehicle Fitment:1994-2004 Harley Davidson FLHR Road King 1998-2004 Ha...
34% Off
Regular price $49.81
Sale price $49.81
Regular price $75.57
Unit price
per 
Use with Titanium Valves only. Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country. Made from the highest quality Kobe spring wire. Utilizes all of...
Regular price $129.79
Sale price $129.79
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Type: Intake / Exhaust. Valve Lift: 0.415in./ OEM style. Installed Height: 1.375in. Seat Pressure: 129#. Open Pressure: 272#. @ Lift: 0.415in. Spring Base: Fits 0.625in. Guide. Designed for maximu...
Regular price $130.65
Sale price $130.65
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Type: Intake / Exhaust. Retainer Material: Titanium. Valve Lift: 0.355in. Installed Height: 1.205in. Seat Pressure: 55#. Open Pressure: 150#. @ Lift: 0.355in.. Designed to out-perform and outlast ...
Regular price $242.16
Sale price $242.16
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Fits 5/16in. valve stems. Works well with cams up to .650in. lift. Manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided. CNC machined 9deg. locks. High pe...
35% Off
Regular price $49.19
Sale price $49.19
Regular price $75.57
Unit price
per 
FOR USE WITH TI VALVE ONLY. Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country. Made from the highest quality Kobe spring wire. Utilizes all of th...
Regular price $126.70
Sale price $126.70
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Includes steel retainers. Type: Intake / Exhaust. Retainer Material: H.T. Steel. Valve Lift: 0.415in. Installed Height: 1.375in. Seat Pressure: 127#. Open Pressure: 270#. @ Lift: 0.415in. Note: All...
Regular price $142.97
Sale price $142.97
Regular price
Unit price
per 
Type: Intake / Exhaust. Valve Lift: 0.600in. Installed Height: 1.510in. Seat Pressure: 152#. Open Pressure: 387#. @ Lift: 0.600in. Retainer offset 0.070in. for taller installed height. Basewashers ...
Regular price $634.37
Sale price $634.37
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Unit price
per 
Conversion kit uses Kibblewhite racing springs combined with a lightweight valve spring retainer that houses a standard 9.5 mm hardened steel shim. Rocker arm rides directly on the 9.5mm shim surfa...
Regular price $661.11
Sale price $661.11
Regular price
Unit price
per 
Conversion kit uses Kibblewhite racing springs combined with a lightweight valve spring retainer that houses a standard 9.5 mm hardened steel shim. Rocker arm rides directly on the 9.5mm shim surfa...
16% Off
Regular price $63.44
Sale price $63.44
Regular price $75.57
Unit price
per 
Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country. Made from the highest quality Kobe spring wire. Utilizes all of the same features and processes...
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Vehicle Fitment:2019-2021 Yamaha YZ250F

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