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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
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 Cams

Hot Cams Camshaft - 4166-2EX Yamaha YZ 450 2010-2013

MPN: 4166-2EX SKU: 0925-0570
Hot Cams

Hot Cams Camshaft - 4166-2EX Yamaha YZ 450 2010-2013

MPN: 4166-2EX SKU: 0925-0570
Availability:
Only 1 left!
Stage 2 is designed for mid to top end gains Adds a 5%-10% power gain Designed and dyno proven in the USA Manufactured by utilizing state of the art valvetrain software CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted). Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end. For dual cam engine. Specs Application Exhaust Product Name Camshaft Type Stage 2 Exhaust Duration 254° Riding Style Off-Road Units Each Exhaust Lift 8.890 mm Exhaust Lobe Centerline 102° Part Notes Use with 0925-0569 to make a set to provide increased mid top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up, with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up. Performance will be further improved with improvements to intake and exhaust efficiency and FI remapping. Includes auto-decompression mechanism. Exhaust Valve Lash: 0.225 mm.
Original price $321.95 - Original price $321.95
Original price
$321.95
$321.95 - $321.95
Current price $321.95

Product Details

Features

  • Stage 2 is designed for mid to top end gains
  • Adds a 5%-10% power gain
  • Designed and dyno proven in the USA
  • Manufactured by utilizing state of the art valvetrain software
  • CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
  • Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
  • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
  • For dual cam engine.

Specs

Application Exhaust
Product Name Camshaft
Type Stage 2
Exhaust Duration 254°
Riding Style Off-Road
Units Each
Exhaust Lift 8.890 mm
Exhaust Lobe Centerline 102°

Part Notes

  • Use with 0925-0569 to make a set to provide increased mid top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up, with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up.
  • Performance will be further improved with improvements to intake and exhaust efficiency and FI remapping.
  • Includes auto-decompression mechanism.
  • Exhaust Valve Lash: 0.225 mm.

Product Description

Features

  • Stage 2 is designed for mid to top end gains
  • Adds a 5%-10% power gain
  • Designed and dyno proven in the USA
  • Manufactured by utilizing state of the art valvetrain software
  • CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
  • Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
  • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
  • For dual cam engine.

Specs

Application Exhaust
Product Name Camshaft
Type Stage 2
Exhaust Duration 254°
Riding Style Off-Road
Units Each
Exhaust Lift 8.890 mm
Exhaust Lobe Centerline 102°

Part Notes

  • Use with 0925-0569 to make a set to provide increased mid top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up, with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up.
  • Performance will be further improved with improvements to intake and exhaust efficiency and FI remapping.
  • Includes auto-decompression mechanism.
  • Exhaust Valve Lash: 0.225 mm.

Part Numbers
Store SKU MFR. Product # Availability
0925-0570 4166-2EX In 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

  • Stage 2 is designed for mid to top end gains
  • Adds a 5%-10% power gain
  • Designed and dyno proven in the USA
  • Manufactured by utilizing state of the art valvetrain software
  • CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
  • Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
  • Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end.
  • For dual cam engine.

Specs

Application Exhaust
Product Name Camshaft
Type Stage 2
Exhaust Duration 254°
Riding Style Off-Road
Units Each
Exhaust Lift 8.890 mm
Exhaust Lobe Centerline 102°

Part Notes

  • Use with 0925-0569 to make a set to provide increased mid top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up, with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up.
  • Performance will be further improved with improvements to intake and exhaust efficiency and FI remapping.
  • Includes auto-decompression mechanism.
  • Exhaust Valve Lash: 0.225 mm.