Kool Tool Fits 4-6-8 Hose Ends

The Kool Tool Fits 4-6-8 Hose Ends by FRAGOLA is an essential utility for any serious automotive builder or mechanic working with braided stainless steel fuel and coolant lines. Whether you're assembling a high-performance engine bay, custom fuel system, or modernizing classic car plumbing, this specialized tool streamlines the process of preparing and installing hose ends in 4, 6, and 8 AN sizes. FRAGOLA's reputation for precision-engineered components makes this tool indispensable for professional-grade installations where proper hose end assembly directly impacts system integrity and safety.

This multipurpose tool accommodates the three most common AN hose end sizes used in racing, off-road, and street performance applications, eliminating the need for separate single-size tools in your workbench arsenal. The Kool Tool's design allows for consistent, reliable crimping and assembly of hose ends without damaging the fitting body or ferrule—a critical requirement when working with high-pressure fuel systems, coolant circuits, or hydraulic brake lines. Its compact footprint (3.7 x 3.1 x 7.05 inches) and manageable 0.79 lb weight make it portable enough for shop use, mobile work, or transport to trackside events, while its durable construction ensures years of dependable performance across countless installations.

Engine builders, fuel system fabricators, and DIY enthusiasts tackling custom plumbing projects will find this tool invaluable for reducing assembly time while maintaining professional results. It's equally suited for SBC, LS, big-block, and exotic engine builds where precise hose routing and secure, leak-free connections are non-negotiable. The 4, 6, and 8 AN compatibility covers the vast majority of fuel distribution, coolant bypass, and ancillary line applications in modern and classic hot rods, drag cars, and street machines—making it a single, smart investment for any serious automotive shop or passionate builder's toolkit.