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Engine - Valve Train

2768 products
Powersport Superstore is your go-to source for Engine - Valve Train and related parts. Shop our unbeatable selection of Valve Train with top-tier service, fast shipping, and great prices.
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Vehicle Fitment Combos Show all Vehicle Fitment Combos
10% Off
Regular price $42.03
Sale price $42.03
Regular price $46.87
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Precision engineered for todays sophisticated engines. Designed for superior durability at high rpm. Low wear means years of dependability.Vehicle Fitment:1980 Honda ATC185 1983-1985 Honda ATC200X ...
7% Off
Regular price $93.09
Sale price $93.09
Regular price $99.95
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Maximum strength and durability. Expert engineering to exceed OEM specifications and tolerances. Premium materials reduce friction and increase service life. M style for maximum strength and durabi...
Regular price $15.89
Sale price $15.89
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Replacement shims.
Regular price $15.89
Sale price $15.89
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Replacement shims.
Regular price $15.89
Sale price $15.89
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per 
Replacement shims.
Regular price $37.00
Sale price $37.00
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H-D#17448-71A These chrome plated rocker arm shaft end plugs will add that classic Knucklehead look to any Sportster or Shovelhead engine. Installation or removal is much easier than original slot...
7% Off
Regular price $86.63
Sale price $86.63
Regular price $92.95
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All KPMI titanium valves are manufactured from solid U.S. milled titanium bar. The titanium bar is cut, forged and then the stem is pulled from the forging process and cross-sectionally reduced. Af...
Regular price $36.50
Sale price $36.50
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Replaces OEM #18570-38. High-quality steel construction. 9/32in.-32 threads. Sold in 10-pk. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harley Davidson XLC 1958-1979 Harley D...
Regular price $16.03
Sale price $16.03
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Priced Each. A must when setting up new cams. 10-pk.Vehicle Fitment:1952-1954 Harley Davidson K 1955-1956 Harley Davidson KH 1955-1956 Harley Davidson KHK 1957-1959 Harley Davidson XL 1958 Harley ...
Regular price $142.97
Sale price $142.97
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Spring kits use stock lower collars (KPMI offers replacement lower collars - Part # 20-2111). Type: Intake/Exhaust. Retainer Material: H.T. Steel. Valve Lift: 0.600in. Installed Height: 1.510in. Se...
Regular price $42.13
Sale price $42.13
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K and L shims exceed the maximum of the Apparent Rockwell Hardness C scale. Our shims average 47.0 compared to the 46.0 maximum..
Regular price $42.13
Sale price $42.13
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K and L shims exceed the maximum of the Apparent Rockwell Hardness C scale. Our shims average 47.0 compared to the 46.0 maximum..
Regular price $79.95
Sale price $79.95
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Belt Width: 17mm. 95 Teeth. Replaces OEM Belt #: 737.4011.1B, 737.4011.2B. Proven design is an exact replacement for OE belts. Manufactured to the highest quality standards to provide long, troubl...
Regular price $77.95
Sale price $77.95
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Belt Width: 19mm. 72 Teeth. Replaces OEM Belt #: 737.4021.1A. Proven design is an exact replacement for OE belts. Manufactured to the highest quality standards to provide long, trouble-free servic...
10% Off
Regular price $71.99
Sale price $71.99
Regular price $79.95
Unit price
per 
Maximum strength and durability. Expert engineering to exceed OEM specifications and tolerances. Premium materials reduce friction and increase service life. M style for maximum strength and durabi...
Regular price $75.69
Sale price $75.69
Regular price
Unit price
per 
Made from billet aluminum. Removes out-of-timing problems, premature engine wear and excess tension caused by an automatic tensioner or hydraulic tensioner. Gunmetal finish.Vehicle Fitment:2006-201...
28% Off
Regular price $18.56
Sale price $18.56
Regular price $25.95
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Vesrah valves are precision manufactured from top-quality materials to match OEM valves exactly. Sold each.Vehicle Fitment:2001 Honda CBR929RR
Regular price $74.95
Sale price $74.95
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Unit price
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Made from billet aluminum. Removes out-of-timing problems, premature engine wear and excess tension caused by an automatic tensioner or hydraulic tensioner. Gunmetal finish.Vehicle Fitment:2004-200...

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