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.
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All sprockets heat treated to maximum hardness while maintaining toughness
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Precision CNC machined and broached for snug accurate fit
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Dimensions checked after machining and after heat treatment for guaranteed fit.
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80% more cross-section versus OEM at the keyway
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Weighs 30% more than OEM at 170 grams vs 130 grams giving it the highest-strength sprocket on the market.
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High finish reduces friction and chain vibration
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New tooth geometry strengthens teeth and keyway
Part Number MM-SP-GT500 Fits:
- Ford Shelby GT500 2007-2014
