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Jesel 2-piece upper pulley belt drive systems. These often-duplicated, but never-matched systems are the most accurate and durable cam timing systems available. They are built with the finest materials and coatings, and then precision CNC-machined to go the distance in any race and still be ready for more. These 2-piece camshaft belt drives are infinitely adjustable and track-proven to outlast chain drives, plus reduce the amount of harmonics being transferred to the camshaft.
- 2024-T6 billet aluminum Spider
- Heat-treated steel crank pulley
- PTFE coated high-vacuum cam and crank seals
- Grade 8 hardware
- Patented HTD reinforced belt
- Easy, accurate external cam timing adjustment