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Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Hot Rods

Hot Rods 4-Cycle Crankshaft Assembly - 4148 Honda CRF450R 2002-2008

MPN: 4148 SKU: 0921-0040
Hot Rods

Hot Rods 4-Cycle Crankshaft Assembly - 4148 Honda CRF450R 2002-2008

MPN: 4148 SKU: 0921-0040
Availability:
Out of stock
Factory assembled and trued to OEM specifications Drop in replacement crankshaft requires no modification unless noted CNC machined and dynamically balanced to suit the increased stroke Add +2.00 mm to +4.00 mm of stroke depending on application Uses stock piston unless noted Main bearings not included Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains Not re-buildable as the rods are shorter than OEM. Specs Displacement 470 cc Model 4-Cycle Type Stroker Riding Style Off-Road Stroke Length 65,00 mm Features Heavy Duty Crankshaft Material 4140 Steel Stroke Length 65.00 mm Units Assembly Color/Finish Steel Product Name Crankshaft Assembly Part Notes Connecting rod side clearance is 0.40 mm - 0.65 mm. +3.00 mm stroke increase makes 470 cc. Bolt in and go. Uses stock piston. When using Cylinder Works big bore cylinder kit it will make 511 cc.
Sold out
Original price $645.95 - Original price $645.95
Original price
$645.95
$645.95 - $645.95
Current price $645.95

Product Details

Features

  • Factory assembled and trued to OEM specifications
  • Drop in replacement crankshaft requires no modification unless noted
  • CNC machined and dynamically balanced to suit the increased stroke
  • Add +2.00 mm to +4.00 mm of stroke depending on application
  • Uses stock piston unless noted
  • Main bearings not included
  • Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
  • Not re-buildable as the rods are shorter than OEM.

Specs

Displacement 470 cc
Model 4-Cycle
Type Stroker
Riding Style Off-Road
Stroke Length 65,00 mm
Features Heavy Duty Crankshaft
Material 4140 Steel
Stroke Length 65.00 mm
Units Assembly
Color/Finish Steel
Product Name Crankshaft Assembly

Part Notes

  • Connecting rod side clearance is 0.40 mm - 0.65 mm.
  • +3.00 mm stroke increase makes 470 cc.
  • Bolt in and go.
  • Uses stock piston.
  • When using Cylinder Works big bore cylinder kit it will make 511 cc.

Product Description

Features

  • Factory assembled and trued to OEM specifications
  • Drop in replacement crankshaft requires no modification unless noted
  • CNC machined and dynamically balanced to suit the increased stroke
  • Add +2.00 mm to +4.00 mm of stroke depending on application
  • Uses stock piston unless noted
  • Main bearings not included
  • Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
  • Not re-buildable as the rods are shorter than OEM.

Specs

Displacement 470 cc
Model 4-Cycle
Type Stroker
Riding Style Off-Road
Stroke Length 65,00 mm
Features Heavy Duty Crankshaft
Material 4140 Steel
Stroke Length 65.00 mm
Units Assembly
Color/Finish Steel
Product Name Crankshaft Assembly

Part Notes

  • Connecting rod side clearance is 0.40 mm - 0.65 mm.
  • +3.00 mm stroke increase makes 470 cc.
  • Bolt in and go.
  • Uses stock piston.
  • When using Cylinder Works big bore cylinder kit it will make 511 cc.

Part Numbers
Store SKU MFR. Product # Availability
0921-0040 4148 Out of Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • Factory assembled and trued to OEM specifications
  • Drop in replacement crankshaft requires no modification unless noted
  • CNC machined and dynamically balanced to suit the increased stroke
  • Add +2.00 mm to +4.00 mm of stroke depending on application
  • Uses stock piston unless noted
  • Main bearings not included
  • Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
  • Not re-buildable as the rods are shorter than OEM.

Specs

Displacement 470 cc
Model 4-Cycle
Type Stroker
Riding Style Off-Road
Stroke Length 65,00 mm
Features Heavy Duty Crankshaft
Material 4140 Steel
Stroke Length 65.00 mm
Units Assembly
Color/Finish Steel
Product Name Crankshaft Assembly

Part Notes

  • Connecting rod side clearance is 0.40 mm - 0.65 mm.
  • +3.00 mm stroke increase makes 470 cc.
  • Bolt in and go.
  • Uses stock piston.
  • When using Cylinder Works big bore cylinder kit it will make 511 cc.