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Engine - Valve Train

2504 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
Regular price $45.56
Sale price $45.56
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Outside Dia.: (G): 0.5620in. / Std. A: 0.375in. B: 0.375in. C: 1.700in. D: 2.025in. F: 0.3090in. Note: 0.420in. guide top accepts KPMI OEM style seal 20-20620, Steel Clad Viton seal 20-2015, and So...
Regular price $48.94
Sale price $48.94
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Material: Stainless SteelOEM# 18080-58R. Head Diameter: 39.88mm / 1.570in. Stem Diameter: 8.6mm / 0.3384in. Tulip: 29deg. Length: 3.512in. Material: Black Diamond Stainless. Coating: Black Nitroneg...
Regular price $14.61
Sale price $14.61
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Quantity: Pkg. of 1. Material: Cast Iron. Type: Intake. Outside Dia.: (G): 0.5650in. / Std. A: 0.470in. B: 0.545in. C: 0.700in. D: 1.225in. E: 0.745in. F: 0.3085in. Note: Seal not required. However...
Regular price $44.76
Sale price $44.76
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Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.5650in. / Std. A: 0.470in. B: 0.545in. C: 0.700in. D: 1.225in. E: 0.745in. F: 0.3085in. Note: Seal not required. Howev...
Regular price $25.39
Sale price $25.39
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Outside Dia.: (G): 0.5630in. / +0.001in. A: 0.375in. B: 0.375in. C: 1.700in. D: 2.025in. F: 0.3090in. Note: 0.420in. guide top accepts KPMI OEM style seal 20-20620, Steel Clad Viton seal 20-2015, a...
Regular price $24.68
Sale price $24.68
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Outside Dia.: (G): 0.5650in. / +0.003in. A: 0.650in. B: 0.700in. C: 1.150in. D: 1.450in. E: 0 .615in. F: 0.3098in. Note: Special shouldered guide, accepts 0.600in. valve lift. 0.420in. guide top ac...
Regular price $39.56
Sale price $39.56
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Material: Stainless SteelHead Diameter: 45.21mm / 1.780in. Stem Diameter: 9.6mm / 0.3760in. Tulip: 29deg. Overall Length: 3.820in.. Black Diamond valves feature one-piece stainless steel construct...
Regular price $42.48
Sale price $42.48
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Outside Dia.: (G): 0.5650in. / +0.003in. A: 0.650in. B: 0.700in. C: 1.150in. D: 1.450in. E: 0 .615in. F: 0.3098in. Note: Special shouldered guide, accepts 0.600in. valve lift. 0.420in. guide top ac...
Regular price $36.24
Sale price $36.24
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Outside Dia.: (G): 0.4850in. / +0.010in. A: 0.480in. B: 0.545in. C: 0.540in. D: 1.110in. E: 0.600in. F: 0.2347in.. Precision-machined guides. Manganese bronze guide material is softer than nickel ...
Regular price $40.13
Sale price $40.13
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Outside Dia.: (G) 0.4760in. / +0.001in. A: 0.480in. B: 0.545in. C: 0.600in. D: 1.110in. E: 0.600in. F: 0.2342in.. Precision-machined guides. Manganese bronze guide material is softer than nickel a...
Regular price $44.94
Sale price $44.94
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Head Diameter: 41.40mm / 1.630in. Stem Diameter: 6.0mm / 0.2347in. Tulip: 10deg. Overall Length: 4.055in. Remarks / Oversized +1.5mm. One-piece stainless-steel, stellite-tipped valves impregnated ...
Regular price $57.56
Sale price $57.56
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Head Diameter: 1.900in. Stem Diameter: 0.2757in. Tulip: 24deg. Length: 4.445in.. One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002 depth and .00...
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Regular price $38.24
Sale price $38.24
Regular price $44.49
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Material: Stainless SteelX2 steel valves are a direct descendant of the Xceldyne full race titanium valves. Increased flow over stock valves. Optimized for weight reduction. Specialized high perfor...
Regular price $38.52
Sale price $38.52
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Outside Dia.: (G)0.4750in. / Std. A: 0.480in. B: 0.545in. C: 0.540in. D: 1.110in. E: 0.600in. F: 0.2347in.. Precision-machined guides. Manganese bronze guide material is softer than nickel aluminu...
Regular price $46.78
Sale price $46.78
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Material: Stainless SteelBlack Diamond valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction. Sold individ...
Regular price $52.06
Sale price $52.06
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Type: Exhaust. Material: Black Diamond Stainless. Coating: Black Nitroneg. Quantity: Pkg. of 1. Head Diameter: 40.89mm / 1.610in. Stem Diameter: 0.3106in. Tulip: 25deg. Overall Length: 4.510in.. O...
Regular price $52.06
Sale price $52.06
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Type: Exhaust. Material: Black Diamond Stainless. Coating: Black Nitroneg. Quantity: Pkg. of 1. Head Diameter: 40.26mm / 1.585in. Stem Diameter: 0.3106in. Tulip: 25deg. Overall Length: 4.505in.. O...
Regular price $28.95
Sale price $28.95
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We choose to use C63000 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4-5 percent nickel content produces superior resistance to wea...

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