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

2498 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
K&L Supply 13-6742 7.50mm Valve Shim Refill - 2.15mm
$30.44
$30.44
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..
K&L Supply 13-6737 7.50mm Valve Shim Refill - 1.90mm
$30.44
$30.44
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..
K&L Supply 13-6728 7.50mm Valve Shim Refill - 1.45mm
$30.44
$30.44
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..
K&L Supply 13-6729 7.50mm Valve Shim Refill - 1.50mm
$30.44
$30.44
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..
K&L Supply 13-6747 7.50mm Valve Shim Refill - 2.40mm
$30.44
$30.44
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..
K&L Supply 13-6749 7.50mm Valve Shim Refill - 2.50mm
$30.69
$30.69
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..
K&L Supply 13-6748 7.50mm Valve Shim Refill - 2.45mm
$30.44
$30.44
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..
K&L Supply 13-6746 7.50mm Valve Shim Refill - 2.35mm
$30.44
$30.44
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..
K&L Supply 13-6735 7.50mm Valve Shim Refill - 1.80mm
$30.44
$30.44
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..
K&L Supply 13-6738 7.50mm Valve Shim Refill - 1.95mm
$30.44
$30.44
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..
K&L Supply 13-6727 7.50mm Valve Shim Refill - 1.40mm
$30.44
$30.44
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..
K&L Supply 13-7690 13.00mm Valve Shim Refill - 2.55mm
$48.06
$48.06
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..
K&L Supply 13-7529 25.00mm Valve Shim Refill - 2.55mm
$48.06
$48.06
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..
K&L Supply 13-7667 29.50mm Valve Shim Refill - 2.50mm
$48.06
$48.06
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..
K&L Supply 13-7624 25.00mm Valve Shim Refill - 2.70mm
$48.06
$48.06
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..
K&L Supply 13-7637 29.00mm Valve Shim Refill - 2.30mm
$39.88
$39.88
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..
15% Off
K&L Supply 13-7017 Complete 9.50mm Valve Shim Kit - 50 Shims
$198.06
$198.06
$232.95
For Kawasaki. Includes 5 each of the following sizes in an 18 compartment storage box: 2.30, 2.35, 2.40, 2.45, 2.50, 2.55, 2.60, 2.65, 2.70, 2.75. K and L shims exceed the maximum of the Apparent ...
14% Off
K&L Supply 13-7006 Complete 13.00mm Valve Shim Kit - 20 Sizes
$202.31
$202.31
$233.95
K&L shims exceed the maximum of the Apparent Rockwell. Hardness C scale. Our shims average 47.0 compared to the 46.0 maximum. Available in shop kits and individual sizes..
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