36-181 Carburetor Main Jet Assortment Kit #64-99 (72pcs), 1/4"-32 Fine Thread Brass Metering Jets Compatible with Holley 2010 2300 4150 4160 4500, Tuning Set for MT Performance

Achieve Peak Performance with HSOKEW 36-181 Carburetor Main Jet Kit Take the guesswork out of engine tuning with the HSOKEW Professional 72-Piece Jet Assortment. Designed for the serious automotive enthusiast and professional mechanic, this kit covers the most essential range—from #64 to #99—allowing you to fine-tune your air-fuel ratio for maximum horsepower and smooth operation. Engineered for Precision & Stability Whether you are rebuilding a classic muscle car or optimizing a high-performance truck, fuel metering is the heart of your engine's power. Each HSOKEW jet is precision-machined from high-quality brass to ensure a consistent flow rate. This is especially critical for Manual Transmission vehicles, where engine braking and rapid throttle transitions require perfect jetting to avoid lean or rich conditions. Technical Specifications:Thread Size: 1/4"-32 Fine ThreadSize Range: #64 to #99 (Full sequential range)Quantity: 72 Pieces (2 of each size)Material: Solid High-Density BrassCompatibility: for Holley, for Edelbrock (certain models), for Quick Fuel, and more.Tuning Tip: When adjusting for performance, it is often safer to start with a slightly larger jet and "tune down." This helps prevent engine overheating caused by a lean air-fuel mixture. Keep your engine running at its absolute best with HSOKEW—where precision meets performance.

• 【Complete 72-Piece Professional Set】 This comprehensive 36-181 jet assortment includes 2 of each size from #64 to #99. With 36 distinct sizes and 72 pieces in total, it provides the broadest range for precision carburetor tuning, ensuring you have the exact jet needed for any altitude or performance upgrade
• 【Wide Engine Compatibility】 Specifically engineered for high-performance carburetors with 1/4"-32 fine threads. Fully compatible with Holley models 2010, 2300, 4010, 4011, 4150, 4160, and 4500. Also suitable for Edelbrock, Quick Fuel, and Barry Grant style carburetors
• 【Optimized for Manual Transmission】 Ideal for MT (Manual Transmission) enthusiasts who demand crisp throttle response and precise fuel metering. Accurate jetting helps eliminate "stumbling" during gear shifts and provides steady power delivery across the entire RPM range for a superior driving experience
• 【Premium Oxidation-Resistant Brass】 Crafted from high-density solid brass, these metering jets offer exceptional durability and wear protection. The material is inherently oxidation-resistant, maintaining consistent fuel flow and preventing thread galling even after repeated installations and exposure to modern fuel additives
• 【Organized Storage & Identification】 All 72 jets are neatly arranged in a rugged, transparent storage case with clearly labeled compartments. This organized design allows for quick identification during garage work or trackside tuning, keeping your workspace professional and efficient