Sold out
CRF450X KPMI TOP END SERVICE KIT SS VALVE CONVERSION W/SPRINGS 30-32900
Click to zoom in

Have Questions? Email us!

  • We price match

    Email us for a match

  • Easy Returns

    Don't like it? No problem! Easy returns for new, non custom made items

  • In-House Experts

    We know our products

  • USA Delivery

    Free shipping for orders over $99.99 (restrictions apply). Flat $9.99 Shipping for under $99.99

CRF450X KPMI TOP END SERVICE KIT SS VALVE CONVERSION W/SPRINGS 30-32900

KPMI
191-41053K
Out of stock
$550.95

customers are viewing this product

CRF450X KPMI TOP END SERVICE KIT SS VALVE CONVERSION W/SPRINGS 30-32900

Features

  • Designed specifically for the performance demands of popular racing MX Bikes and Quads
  • Pistons designed to maintain the stock compression after the effects of the dished stainless valves
  • 2618 Alloy Fully CNC Machined Piston with performance skirt coating
  • Black Diamond™ Stainless Steel conversion system significantly increases valve durability
  • Lightweight Racing Spring Kit compatible with high performance cams
  • All of the gaskets, rings, pins and seals required for a top end rebuild
  • Includes Piston, Rings, Clips and Pin
  • Includes Top End Gasket Kit by Cometic
  • Includes KPMI® S.S. Stainless Steel Black Diamond™ Valves, Stock Head Dia.
  • Includes Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440” In. and Ex. Valve Lift

These pistons have been designed to incorporate a domed piston deck, resulting in a high compression profile and offsetting any change in volume caused by valve dishes. While maintaining compression through piston shape, we’ve minimized moving mass in our stainless steel valvetrain conversion by lightening our steel valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.

Fitment

Make Model Year
Honda CRF450X 2005
Honda CRF450X 2006
Honda CRF450X 2007
Honda CRF450X 2008
Honda CRF450X 2009
Honda CRF450X 2010
Honda CRF450X 2011
Honda CRF450X 2012
Honda CRF450X 2013
Honda CRF450X 2014
Honda CRF450X 2015
Honda CRF450X 2016
Honda CRF450X 2017
Read More
Read Less

All Items Ship From The USA

Shipping and Delivery

We ship from a vast distribution network strategically placed in different regions within the USA to provide fast shipping times to most locations. Sometimes your order will arrive in separate boxes if you order multiple items due to many inventory locations. Some items may ship directly from the manufacturer to you.

Most items are kept in stock, however some products are custom made to order and require manufacturing time and will likely ship directly from the manufacturer.

Expected ship dates are our best estimate based on past shipping times and are more than 90% accurate. Most products ship within 2 business days, unless otherwise noted on the product page. Should an unexpected delay occur, we will notify you by e-mail (or letter) of the new projected shipping date.

In-stock items usually ship the next business day (weekends and holidays are not considered business days).

Please allow an additional 1 to 5 business days after the shipment date for delivery.

Free Shipping

Get Free Shipping on qualified items without hidden fees. 

All Terrain Depot has Free Shipping everyday for most product purchases over $99, saving you some valuable cash on your ATV/UTV Accessory products. Some restrictions do apply.

Here's the details:

  • Free shipping offer is valid only on qualified items. Eligible items are identified on their product information page. They can also be identified in your shopping cart. 
  • Shipping method will be selected by All Terrain Depot. Free shipping orders will be delivered via a standard ground shipping method selected by our direct-ship manufacturers/fulfillment centers.  
  • Not available on international, Alaska, Hawaii, Puerto Rico or APO/FPO orders. Only standard ground shipping orders to residential and commercial addresses in the continental US are eligible for Free Shipping.

Lost or damaged shipments

Items will not be replaced or refunded until carriers perform their investigation. This period ranges from a few days to a few weeks.

We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy
accept

Your cart

×