BLP Precision Main Jets
BLP’s XR-XH & XLSeries Main Jets are engineered to deliver precise, predictable tuning results and long-term durability. Designed for use with standard pump gas, oxygenated fuels, and high-performance racing blends, the XR-Series is a trusted solution for competitive tuners and racers alike.
- Precision-Machined In-House
Manufactured in .001” increments to provide fine-tuned control over fuel delivery. - Universal Fit for Gas Metering Blocks
Features a 1/4-32, 5/16-32 and 350-32 thread pitch, compatible with most Holley® and BLP Billet metering blocks. - High-Quality Materials & Tight Tolerances
Made from top-grade domestic materials under rigorous tolerances to ensure consistency and performance across all fuel types. - Easy Installation & Longevity
Built with a 5/16” hex head for easy, damage-free removal—eliminating issues commonly caused by using a screwdriver and preserving the entry radius for maximum flow efficiency. - Versatile Fuel Compatibility
Suitable for pump gas, oxygenated blends, and all known racing fuels. - Extended Length Versions Available
Ideal for aggressive launch conditions or specific application needs.