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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

21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit

by BPRATV
Save 11% Save 11%
Original price $669.99
Original price $669.99 - Original price $669.99
Original price $669.99
Current price $598.88
$598.88 - $598.88
Current price $598.88

21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit

21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit a,a:hover,a:active,a:visited {color:#0d93d7 !important} 21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit 10010-1,40239M09600,12100-MKE-A50, 13101-MKE-A50, 12251-MKE-A71, 12191-MKE-A71, 13011-MKE-A50, 13111-MEN-730, 13112-MKE-A00,P400210100021, EC210-059, P40021010005996mm Stock Standard Bore Nikasil Cylinder, Wiseco Forged Piston Kit, and Top End Gasket Kit!The BEST components in the industry at the BEST VALUE on the market!Fits Honda:CRF450L Years 2019 2020CRF450RL Years 2021 2022 2023 2024 2025 CRF450X Years 2019 2020 2021 2022 2023 2024 2025*Does Not Fit CRF450R/CRF450RX Models*This kit includes:Aftermarket 96mm Stock Standard Bore Nikasil Cylinder (1 Year warranty)*Wiseco 12:1 Forged Piston Kit (Includes, Piston, Wristpin, Piston Rings, and Circlips)All Pistons Are Perfect For Pump GasCometic, Vertex, or Moose Racing Top End Gasket Kit with a MLS Head GasketReplaces Honda OEM Part # 12100-MKE-A50, 13101-MKE-A50, 12251-MKE-A71, 12191-MKE-A71, 13011-MKE-A50, 13111-MEN-730, 13112-MKE-A00It will work with your stock head and valves. All parts come with warranty.BPRATV - The Best Parts. The Best Performance. The Best Price. BRAPPPPPPPPPP! PROFESSIONAL INSTALLATION REQUIRED DO YOU NEED THIS ITEM INSTALLED? WE HAVE YOU COVERED! CONTACT US FOR DETAILS. REPAIR SHOPS AND DEALERS: CONTACT US TO SET UP AN ACCOUNT FOR WHOLESALE DISCOUNTS. BPRATV: Over 20 Years of Excellence in Parts & Service Upland, CA | Monday – Friday, 7 am – 4 pm PST WE SHIP WORLDWIDE MONDAY THROUGH FRIDAY | ¡HABLAMOS ESPAÑOL! Payments: Credit Card, PayPal, Venmo, Cash App, and In-Person (Cash/Check once cleared). 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.
21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit

21-25 CRF450RL CRF 450 RL Stock Cylinder Wiseco Piston Top End Rebuild Parts Kit

10010-1,40239M09600,12100-MKE-A50, 13101-MKE-A50, 12251-MKE-A71, 12191-MKE-A71, 13011-MKE-A50, 13111-MEN-730, 13112-MKE-A00,P400210100021, EC210-059, P400210100059

96mm Stock Standard Bore Nikasil Cylinder, Wiseco Forged Piston Kit, and Top End Gasket Kit!

The BEST components in the industry at the BEST VALUE on the market!

Fits Honda:

CRF450L Years 2019 2020

CRF450RL Years 2021 2022 2023 2024 2025

 CRF450X Years 2019 2020 2021 2022 2023 2024 2025

*Does Not Fit CRF450R/CRF450RX Models*

This kit includes:

  • Aftermarket 96mm Stock Standard Bore Nikasil Cylinder (1 Year warranty)*
  • Wiseco 12:1 Forged Piston Kit (Includes, Piston, Wristpin, Piston Rings, and Circlips)
  • All Pistons Are Perfect For Pump Gas
  • Cometic, Vertex, or Moose Racing Top End Gasket Kit with a MLS Head Gasket

Replaces Honda OEM Part # 

12100-MKE-A50, 13101-MKE-A50, 12251-MKE-A71, 12191-MKE-A71, 13011-MKE-A50, 13111-MEN-730, 13112-MKE-A00

It will work with your stock head and valves.  All parts come with warranty.

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!

PROFESSIONAL INSTALLATION REQUIRED

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

REPAIR SHOPS AND DEALERS: CONTACT US TO SET UP AN ACCOUNT FOR WHOLESALE DISCOUNTS.

BPRATV: Over 20 Years of Excellence in Parts & Service
Upland, CA | Monday – Friday, 7 am – 4 pm PST
WE SHIP WORLDWIDE MONDAY THROUGH FRIDAY | ¡HABLAMOS ESPAÑOL!

Payments: Credit Card, PayPal, Venmo, Cash App, and In-Person (Cash/Check once cleared).


NOTICE REGARDING PHOTOS: Product photos uséd 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 uséd 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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