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Unorthodox Racing 021010702 - Unorthodox Racing Ultra S Underdrive Crank Pulleys

  • Crankshaft Pulley, Serpentine, Billet Aluminum, Polished, Infiniti, Nissan, G20, 200SX, Sentra, 2.0L, Each
 
BrandUnorthodox Racing
Manufacturer's Part Number021010702
Part TypeCrankshaft Pulleys
Product LineUnorthodox Racing Ultra S Underdrive Crank Pulleys
Summit Racing Part NumberUNR-021010702
 
Pulley StyleSerpentine
UnderdriveYes
OverdriveNo
Hardware IncludedNo
Crankshaft Nose Cover IncludedNo
Pulley FinishPolished
Pulley MaterialAluminum
QuantitySold individually.
 

With Unorthodox Racing Ultra S underdrive crank pulleys, additional power gains are seen from the underdriving of all of the accessories (which accounts for about 15 percent of additional gain). In most applications, all of their underdriving is done with the crank pulley, not with the accessory pulleys. This is done so that maximum weight loss can be achieved at the crank, where most of the horsepower gains are found. These crank pulleys are CNC-machined from lightweight 6061-T6 billet aluminum to ensure the material's strength and balance. Most Ultra series underdrive crank pulleys are available in polished aluminum, as well as in black, red, and blue anodizing.

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