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 snug 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 at 170 grams vs 130 grams giving it the highest-strength sprocket on the market.

• High finish reduces friction and chain vibration

• New tooth geometry strengthens teeth and keyway

Part Number MM-SP-GT500 Fits:

• Ford Shelby GT500 2007-2014