Boundary QR25DE Billet Crankshaft Timing Sprocket

Boundary QR25DE Billet Crankshaft Timing Sprocket
Fits ALL QR engines

Crankshaft Timing Sprocket by Boundary Pumps®. Billet Crank Sprockets from Boundary follow the same heritage as oil pump gears, manufactured 100% in house with US sourced materials. These sprockets start with a chromoly steel that is 10 times stronger then the OEM powdered metal, hot quenched with a low temper for the highest strength and resistance to wear. more details on - https://www.carid.com/boundary-pumps/crankshaft-timing-sprocket-mpn-qr25de-sp.html

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 treating for guaranteed fit
80% more cross section versus OEM at the keyway
Weighs 30% more then OEM
High finish reduces friction and chain vibration
New tooth geometry strengthens teeth and keyway