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Engine - Valve Train - Valve Seals

58 products
Powersport Superstore is your go-to source for Engine - Valve Train - Valve Seals and related parts. Shop our unbeatable selection of Valve Seals with top-tier service, fast shipping, and great prices.
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Vehicle Fitment Combos Show all Vehicle Fitment Combos
Regular price $24.46
Sale price $24.46
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Contact surfaces designed for improved sealing. High-temperature Viton and PTFE materials. Improved tolerance over OEM. 100% quality controlled. Available in a variety of sizes. Kits include one fu...
Regular price $24.46
Sale price $24.46
Regular price
Unit price
per 
Contact surfaces designed for improved sealing. High-temperature Viton and PTFE materials. Improved tolerance over OEM. 100% quality controlled. Available in a variety of sizes. Kits include one fu...
Regular price $24.46
Sale price $24.46
Regular price
Unit price
per 
Contact surfaces designed for improved sealing. High-temperature Viton and PTFE materials. Improved tolerance over OEM. 100% quality controlled. Available in a variety of sizes. Kits include one fu...
Regular price $24.46
Sale price $24.46
Regular price
Unit price
per 
Contact surfaces designed for improved sealing. High-temperature Viton and PTFE materials. Improved tolerance over OEM. 100% quality controlled. Available in a variety of sizes. Kits include one fu...
10% Off
Regular price $251.29
Sale price $251.29
Regular price $279.21
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per 
All valve seals are made of 100% solid Viton for long life. Meet or exceed OEM specifications. When using Kibblewhite spring kits, Kibblewhite valve seals must be used because of spring clearances....
Regular price $15.40
Sale price $15.40
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OEM # 18000-81. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehicle Fitment:1981-1984 Harley Da...
Regular price $15.40
Sale price $15.40
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High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehicle Fitment:1979-1984 Harley Davidson FLH Electr...
Regular price $58.17
Sale price $58.17
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Type: Intake / Exhaust. Reference: See Figure 1. Seal Style 4. Stem Diameter: 4.5mm. Overall Length: 0.331in. Seal O.D.: 0.370in. A: 0.321in. +/-0.005in. B: 0.281in. C: 0.120in. D: 0.240in. Note: U...
Regular price $20.42
Sale price $20.42
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Stem O.D. 3/8in., Guide O.D. .562in.. Seal kits sold each, in 25 packs and 100 packs. Valve seal tool sold each. Made in the USA.Vehicle Fitment:1948-1950 Harley Davidson E 1948-1952 Harley Davids...
10% Off
Regular price $45.41
Sale price $45.41
Regular price $50.46
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per 
8 Intake/8 Exhaust Extensive R&D on all applications to provide high-performance components that last longer than OEM. Black Diamond valves are one-piece forgings made from 21-4N high-performa...
Regular price $29.29
Sale price $29.29
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Type: Intake / Exhaust. Material: Red Viton. Reference: See Figure 1. Stem Diameter: 5.5mm. Overall Length: 0.320in. Seal O.D.: 0.440in. A: 0.358in.+/- 0.005in. B: 0.320in. C: 0.110in. D: 0.200in. ...
Regular price $22.68
Sale price $22.68
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All seals require the use of a .500 and .562 seal cutter; sold separately. Sold in packages of four. With thin stem valves .3090in. intake. For use with intake and exhaust valve guides. Made in th...
Regular price $20.73
Sale price $20.73
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Stem O.D. 5/16in., Guide O.D. .531in.. Seals sold each, in 25 packs, and 100 packs. Seal driver and sleeves sold separately. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harle...
Regular price $23.31
Sale price $23.31
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With thin stem valves .3384 exhaust All seals require the use of a .500 and .562seal cutter; sold separately Sold in packages of four. For use with intake and exhaust valve guides. Made in the USA...
37% Off
Regular price $14.98
Sale price $14.98
Regular price $23.95
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Valve Stem Seals by Bronco ATV. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. ...
Regular price $29.64
Sale price $29.64
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Material: Red Viton. Reference: See Figure 1. Quantity: Pkg. of 8 (Seal Style 3). Stem Diameter: 6.0mm. Overall Length: 0.712in. Seal O.D.: 1.170in. A: 0.475in. +/-0.002in. B: ---. C: 0.545in. Spri...
Regular price $38.24
Sale price $38.24
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Fits KTM All RFS ATV Engines 450cc-525cc 2008-2009. KTM All RFS Dirt Bike Engines 400cc-560cc 2000-2009. KTM 450 2007-2011 (For RF4 Engines). All valve seals are made of 100% solid Viton for long ...
Regular price $20.73
Sale price $20.73
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Stem O.D. 11/32in., Guide O.D. .531in.. Seals sold each, in 25 packs, and 100 packs. Seal driver and sleeves sold separately. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harl...

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