All sprockets heat treated to maximum hardness while maintaining toughness
Precision CNC machined and broached for snug 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 at 170 grams vs 130 grams giving the highest strength sprocket on the market
High finish reduces friction and chain vibration
New tooth geometry strengthens teeth and keyway
Product Details
Crankshaft Timing Sprocket (MM-SP-GT500) 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.
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