QR Crankshaft Timing Sprocket


SKU: QR25DE-SP Categories: , Tag:

Billet Crank Sprockets from Boundary follows the same heritage as our oil pump gears, manufactured 100% in-house with US-sourced materials. These sprockets start with chromoly steel that is 10 times stronger than the OEM powdered metal, hot quenched with a low temper for the highest strength and resistance to wear.

  • All sprockets heat treated to maximum hardness while maintaining toughness

  • Precision CNC machined and broached for accurate fit

  • Dimensions checked after machining and after heat treatment for guaranteed fit.

  • 80% more cross-section versus OEM at the keyway

  • Weighs 30% more than OEM

  • High finish reduces friction and chain vibration

  • New tooth geometry strengthens teeth and keyway

Part Number QR25DE-SP Fits:

  • Nissan VQ QR DE 2.5L
  • Nissan Altima (2002-Present)
  • Nissan Sentra SE-R 2002-2012)
Weight 0.4 lbs
Dimensions 3 × 3 × 3 in