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OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV

04-06 WR450F WR 450F Cylinder Piston Oil Pump Complete Motor Engine Rebuild Kit

by BPRATV
Original price $1,299.99 - Original price $1,299.99
Original price
$1,299.99
$1,299.99 - $1,299.99
Current price $1,299.99
04-06 WR450F WR 450F Cylinder Piston Oil Pump Complete Motor Engine Rebuild Kit

04-06 WR450F WR 450F Cylinder Piston Oil Pump Complete Motor Engine Rebuild Kit

20001, 4786M09500, 4162, CBK0141, TBK0067, 20001,4786M09500,4785M09500 856D300 M1011,4050,808677, 822228, 811677,5D3-13300-00-00,5D3-15155-00-00,CR8EB,KN-141,CBK0088,TBK0067, 93306-20532-00, 93306-00426-00, 5GR-17471-10-00, 90387-2513F-00, 90215-21001-00, 421-3067, 871480, 1106-0146,M1011, C3066, C3066-EST, 71014-5, 71014, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 5TA-11181-00-00, 90430-06014-00, 5TA-11633-00-00, 93420-18082-00,K022

COMPLETE MOTOR REBUILD KIT FOR ALL '04-06 WR450F DIRT BIKES!

  • BPRATV 95mm stock bore nikasil cylinder (1 year warranty)
  • Wiseco, CP, JE, or Wossner forged piston kit** (Includes piston rings, wrist pin, and circlips)
  • Hot Rods or Wiseco Heavy Duty OEM Replacement Crankshaft with connecting rod
  • BPRATV Talon Titanium Cylinder Head Stud Kit
  • Main Crank bearings
  • Crank balancer bearings
  • Shift cam bearing
  • Transmission bearings
  • Clutch bearings (not thrust bearing)
  • BPRATV Hi-flow Water pump impeller, shaft, and bearing upgrade kit
  • 07+  After market oil pump assembly + upgraded oil nozzle
  • Clutch kit with fiber, steel plates, and springs
  • Complete top and bottom end gasket kit with Viton valve stem seals.
  • MLS head gasket
  • Complete engine oil seal kit
  • NGK spark plug
  • K&N oil filter
  • BPRATV Talon Camshaft Timing Chain

This is a bolt on kit with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging.  We are an authorized distributor and the original manufacturer’s warranty applies*.

BPRATV - The Best Parts. The Best Performance. The Best Price.
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PROFESSIONAL INSTALLATION REQUIRED

DO YOU NEED THIS ITEM INSTALLED? WE HAVE YOU COVERED! CONTACT US FOR DETAILS.

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NOTICE REGARDING PHOTOS: Product photos used in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.

BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.

EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code §§ 27156 and 38391]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.

WARRANTY & LIABILITY: © BPRATV LLC 1-year limited warranty from manufacturer for material/workmanship defects.* Due to the nature of high performance and racing, components are sold without express/implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not be liable for specific, incidental, or consequential damages (loss of property, equipment, profits, or revenue) resulting from sale, installation, or use of these parts. This product is NOT DIY; we strongly recommend work be done by a qualified, experienced mechanic.

RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.

SPECIALTY WARRANTIES: Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.

INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.

FEEDBACK: We work hard for your positive feedback. Please contact us before leaving feedback if you have any issues so we can assist you.

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