Description
Quick change gears let you dial in your final drive ratio between rounds without breaking down your entire differential—critical for racers who need to optimize performance across varying track conditions and fuel loads. The PEM 65004A gives you two distinct ratio options in a single, precision-engineered package, eliminating costly downtime and keeping you competitive when every tenth counts.
Built from hardened steel with 10-spline engagement, these gears are designed for the abuse that professional racing demands. Whether you’re running the aggressive 4.11 ratio (5.25/3.22) for tight, technical courses or the slightly taller 4.86 ratio (6.21/3.80) for higher-speed circuits, you get the flexibility to tune your power delivery without a full differential service.
- Quick change design
- 4.11 ratio option
- 4.86 ratio option
- 10-spline interface
- Hardened steel construction
- Set 4Q configuration
- Bolt-on installation
- Professional-grade durability
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