New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Collection:

Engine - Valve Train - Valve Seals

47 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.
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
4% Off
Regular price $30.04
Sale price $30.04
Regular price $31.29
Unit price
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....
10% Off
Regular price $45.86
Sale price $45.86
Regular price $50.95
Unit price
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 $35.76
Sale price $35.76
Regular price
Unit price
per 
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 $23.31
Sale price $23.31
Regular price
Unit price
per 
Solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions. For use with stock intake and exhaust valve guides, except where noted. S...
Regular price $22.68
Sale price $22.68
Regular price
Unit price
per 
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 $22.54
Sale price $22.54
Regular price
Unit price
per 
Set of 4. Made from a premium Viton material and offer superior oil control. Exhibit the least amount of parasitic drag and wear on the valve giving greater life of the valve, and better power. Fi...
Regular price $22.68
Sale price $22.68
Regular price
Unit price
per 
Set of 4. Intake and Exhaust Seals. Made from a premium Viton material and offer superior oil control. Exhibit the least amount of parasitic drag and wear on the valve giving greater life of the v...
Regular price $20.73
Sale price $20.73
Regular price
Unit price
per 
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 $23.76
Sale price $23.76
Regular price
Unit price
per 
04-07 CRF250R 5.0mm Valve Stem Seal Kit. Made from a premium Viton material and offer superior oil control. Exhibit the least amount of parasitic drag and wear on the valve giving greater life of ...
Regular price $24.94
Sale price $24.94
Regular price
Unit price
per 
Stem Dia. 7.0mm - Guide Dia. 0.475in. - Overall Length 0.565in. - Seal O.D 0.565in.. All valve seals are made of 100% solid Viton for long life. Meet or exceed OEM specifications. When using Kibbl...
Regular price $23.31
Sale price $23.31
Regular price
Unit price
per 
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
Unit price
per 
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
Regular price
Unit price
per 
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
Regular price
Unit price
per 
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
Regular price
Unit price
per 
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...
6% Off
Regular price $26.26
Sale price $26.26
Regular price $27.92
Unit price
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 $20.42
Sale price $20.42
Regular price
Unit price
per 
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:1979-1984 Harley Davidson FLH Electra Glide 1979-19...
Regular price $9.30
Sale price $9.30
Regular price
Unit price
per 
Replacement part.

Your Garage

Add a Vehicle