CRANKSHAFT BOTTOM KIT 02-07 CRF450R, WISECO WPC138 HONDA
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Wiseco Crankshaft Bottom Kit WPC138. Forged 4140 steel crankshaft with 105.500mm center to center rod length. Includes crankshaft bearings. Double forged connecting rods feature shot peening, oil slots, and coated bronze thrust washers. Bottom end gasket kits are made from premium materials exceeding OEM standards for an exceptional seal. High-quality main bearings provide maximum life and smooth operation at high rpm. Surface treatment prevents corrosion and pitting, while adding strength to the assembly. Bushed top end of rod retains oil and eliminates pin galling. Case-hardened bottom end rod bores optimize bearing.
- SKU
- 56-228.WI.CBK
- Brand
- Wiseco
- Availability
- In Stock (1)
Fitments (7)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 450R | 2002 |
| HONDA | CRF 450R | 2003 |
| HONDA | CRF 450R | 2004 |
| HONDA | CRF 450R | 2005 |
| HONDA | CRF 450R | 2006 |
| HONDA | CRF 450R | 2007 |
| HONDA | CRF 450R | 2008 |
- General Product Group
- Crankshafts & Parts
- General Product Type
- Crankshaft Bottom End Kits
- Variant Id
- 250320
FULL DESCRIPTION
Wiseco Crankshaft Bottom End Kit
Revitalize your motorcycle's engine with the Wiseco Crankshaft Bottom End Kit. Engineered for superior performance and durability, this comprehensive kit provides all the essential components for a complete engine rebuild.
This kit includes a robust crankshaft forged from 4140 steel, featuring a 105.500mm center-to-center rod length. It also contains high-quality crankshaft bearings designed for maximum life and smooth operation at high RPMs.
Key Features:
- Forged 4140 Steel Crankshaft for exceptional strength and reliability.
- Double forged connecting rods with shot peening, oil slots, and coated bronze thrust washers for enhanced durability.
- Bottom end gasket kits crafted from premium materials that exceed OEM standards, ensuring a superior seal between critical mating surfaces.
- High-quality main bearings designed for maximum longevity and smooth high-RPM performance.
- Surface treatment to prevent corrosion and pitting, while increasing assembly strength.
- Bushed top end of the rod retains oil and prevents pin galling.
- Case-hardened bottom end rod bores optimize bearing performance.
Wiseco crankshaft kits are designed to meet or exceed OEM specifications, delivering the maximum horsepower and torque that riders demand. Trust Wiseco for a job done right the first time.
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
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