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Lightened Underdrive Crank Pulley
- Lightweight 6061 T6 billet aluminum
- CNC machined to .001"
- Real HP & torque gains across the entire RPM range
- Over 6 years of use in 'real world' from street to strip ..
- Better than OEM belt fitment & alignment
- Single belt design for race applications
- High quality polished finish
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