Carburetor Main Jet Assortment Kit 36-181 – 72 pcs Brass Jets #64-99 (2 Each), 1/4"-32 Thread – Fits Ho-lley Models 4150, 4160, 4500, 2300, 4010, 4011, 2010 – Tuning Kit with Storage Case

Upgrade your carburetor tuning capabilities with this comprehensive 36-181 Main Jet Assortment Kit, engineered for compatibility with the most widely used Holley carburetor models. Whether you're building a weekend cruiser, restoring a classic V8, or dialing in a track-ready engine, having the right jet size on hand is critical. This kit delivers 36 different jet sizes (#64 through #99), with two of each, totaling 72 jets—all featuring the standard 1/4"-32 thread used in Hol-ley’s 2010, 2300, 4010, 4011, 4150, 4160, and 4500 series carburetors. Each jet is precision-machined from high-quality brass to ensure consistent fuel metering and resistance to corrosion. The included labeled storage case keeps your inventory organized and accessible—no more digging through drawers or mixing up sizes mid-job.

• COMPLETE JET ASSORTMENT FOR PRECISION TUNING: Includes 72 high-quality brass main jets—two of each size from #64 to #99—giving you the full range needed for fine-tuning fuel delivery across a wide variety of engine setups and performance conditions.
• UNIVERSAL FIT FOR POPULAR HOLLEY CARBURETORS: Designed to fit Ho-lley models 2010, 2300, 4010, 4011, 4150, 4160, and 4500 with standard 1/4"-32 thread main metering jets. Ideal for street rods, muscle cars, race engines, and restoration projects.
• ORGANIZED & DURABLE STORAGE CASE INCLUDED: All jets are neatly housed in a clear plastic storage box with labeled compartments (#64–#99). Keeps your jets sorted, prevents loss, and allows quick identification during tuning or rebuilds.
• PREMIUM BRASS CONSTRUCTION FOR RELIABILITY: Made from corrosion-resistant, high-grade brass for long-lasting durability and precise flow characteristics. Resists wear, stripping, and deformation—even after repeated installations.
• OPTIMIZE ENGINE PERFORMANCE & FUEL MIXTURE: Achieve the perfect air-fuel ratio for your application—whether you’re chasing peak horsepower, improving idle quality, or adapting to altitude changes. This kit gives tuners and mechanics the flexibility to dial in performance accurately.