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! ➡

Engine - Valve Train

2497 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.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Material Show all Material
Sprocket Position Show all Sprocket Position
Sprocket Teeth Show all Sprocket Teeth
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
9% Off
Kibblewhite Precision 82-82070 Intake Valve Guide
$24.64
$24.64
$26.95
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...
Kibblewhite Precision 40-40570 Valve Guide
$19.04
$19.04
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...
10% Off
Kibblewhite Precision 30-31380 Exhaust Valve Guide Kibblewhite Precision 30-31380 Exhaust Valve Guide
$30.96
$30.96
$34.40
Outside Dia.: (G): 0.4753in. / Std. A: 0.600in. B: 0.600in. C: 1.000in. D: 1.230in. E: 0.475in. F: 0.2590in.. We choose to use C63000 nickel bronze as a material to make valve guides because of it...
Kibblewhite Precision 40-40656 Black Diamond Exhaust Valve
$43.31
$43.31
Material: Stainless SteelHead Diameter: 31.01mm / 1.221in. Stem Diameter: 5.5mm / 0.2150in. Tulip: 20deg. Overall Length: 3.030in. Remarks: Standard. Note: Must use Kibblewhite Lightweight Valve Sp...
Kibblewhite Precision 40-40660 Valve Spring Kit
$220.26
$220.26
Type: Intake / Exhaust. Retainer Material: Titanium. Intake Valve Lift: 0.415in. Intake Installed Height: 1.290in. Intake Seat Pressure: 64#. Intake Open Pressure: 169#. Intake @ Lift: 0.415in. Exh...
Kibblewhite Precision 40-40652 Black Diamond Intake Valve
$41.88
$41.88
Material: Stainless SteelHead Diameter: 35.99mm / 1.417in. Stem Diameter: 5.5mm / 0.2155in. Tulip: 20deg. Overall Length: 3.080in. Remarks: Standard. Note: Must use Kibblewhite Lightweight Valve Sp...
34% Off
Kibblewhite Precision 40-40670 Intake/Exhaust Valve Guide Kibblewhite Precision 40-40670 Intake/Exhaust Valve Guide
$18.93
$18.93
$28.72
Outside Dia.: (G): 0.3650in. / Std. B: 0.380in. C: 0.525in. D: 0.760in. E: 0.434in. F: 0.2150in. Note: Use O.E.M. valve guide seal.. We choose to use C63000 nickel bronze as a material to make val...
Kibblewhite Precision 30-30750T Tensilite Titanium Intake Valve
$92.56
$92.56
Material: TitaniumHead Diameter: 36.00mm / 1.417in. Stem Diameter: 5.5mm / 0.2158in. Tulip: 20deg. Overall Length: 3.325in. Remarks: Standard. All KPMI titanium valves are manufactured from solid ...
Kibblewhite Precision 20-2050 Bronze Intake Valve Guide - Standard (.6250in.) Kibblewhite Precision 20-2050 Bronze Intake Valve Guide - Standard (.6250in.)
$43.25
$43.25
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.6250in./ Std. A: 0.450in. B: 0.540in. C: 0.755in. D: 1.315in. E: 0.745in. F: 0.3745in.. We choose to use C630 nickel ...
Kibblewhite Precision 20-2031 Bronze Exhaust Valve Guide (+.001in.) Kibblewhite Precision 20-2031 Bronze Exhaust Valve Guide (+.001in.)
$43.25
$43.25
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0.5660in. / +0.001in. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C630 ...
Kibblewhite Precision 20-2052 Bronze Intake Valve Guide (+.002in.) Kibblewhite Precision 20-2052 Bronze Intake Valve Guide (+.002in.)
$41.82
$41.82
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.6270in./ +0.002in. A: 0.450in. B: 0.540in. C: 0.755in. D: 1.315in. E: 0.745in. F: 0.3745in.. We choose to use C630 ni...
Kibblewhite Precision 20-2062 Bronze Exhaust Valve Guide (+.002in.) Kibblewhite Precision 20-2062 Bronze Exhaust Valve Guide (+.002in.)
$41.82
$41.82
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0.6270in./ +0.002in. A: 0.450in. B: 0.540in. C: 0.855in. D: 1.315in. E: 0.745in. F: 0.3745in.. We choose to use C630 n...
Kibblewhite Precision 20-2030 Bronze Exhaust Valve Guide - Standard (.5650in.) Kibblewhite Precision 20-2030 Bronze Exhaust Valve Guide - Standard (.5650in.)
$43.56
$43.56
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Exhaust. Outside Dia.: (G): 0.5650in. / Std. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C630 nicke...
Kibblewhite Precision 20-2024 Bronze Intake Valve Guide (+.004in.) Kibblewhite Precision 20-2024 Bronze Intake Valve Guide (+.004in.)
$43.25
$43.25
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.5690in. / +0.004in. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C630 n...
1% Off
Kibblewhite Precision 20-20132 Lightweight Racing Valve Spring Kit - Steel - .600in. Lift
$148.02
$148.02
$148.95
Max lift kits are designed for maximum performance. Feature interference-wound, double-chrome silicone springs; heat-treated steel base washers. Available in a complete set for one engine. Include ...
Kibblewhite Precision 20-2020 Bronze Intake Valve Guide - Standard (.5650in.) Kibblewhite Precision 20-2020 Bronze Intake Valve Guide - Standard (.5650in.)
$43.25
$43.25
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.5650in. / Std. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C630 nickel...
Kibblewhite Precision 20-2021 Bronze Intake Valve Guide (+.001in.) Kibblewhite Precision 20-2021 Bronze Intake Valve Guide (+.001in.)
$43.56
$43.56
Quantity: Pkg. of 1. Material: C630 Bronze. Type: Intake. Outside Dia.: (G): 0.5660in. / +0.001in. A: 0.450in. B: 0.540in. C: 0.810in. D: 1.340in. E: 0.745in. F: 0.3745in.. We choose to use C630 n...
Kibblewhite Precision 40-40143T Tensilite Titanium Exhaust Valve
$92.56
$92.56
Head Diameter: 25.00mm / 0.985in. Stem Diameter: 4.5mm / 0.1756in. Tulip: 25deg. Overall Length: 3.125in. Remarks: Standard. All KPMI titanium valves are manufactured from solid U.S. milled titani...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle