Description
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)