Gold Eagle 10410 104+ Maximum Octane Boost and Lead Substitute 16 oz

Golden Eagle Manufacturing

<h3>Golden Eagle Manufacturing: Decades of American Precision Machining</h3><p>Founded in San Dimas, California, <strong>Golden Eagle Manufacturing (GEM)</strong> has spent over 30 years earning a reputation as one of the most respected names in precision CNC machining and performance engine parts. Every product that leaves their shop is produced in-house on CNC equipment, reflecting a standard of craftsmanship that resonates with weekend racers and professional engine builders alike.</p><h3>Built for Performance, Made in the USA</h3><p>Golden Eagle Manufacturing's roots run deep in the sport compact performance world, but their capabilities extend well beyond it. From military-specification hardware built to exacting aerospace and government defense tolerances, to high-horsepower import engine builds, GEM has cultivated a diverse portfolio that proves precision knows no boundaries. Their team of experienced machinists controls every step of the manufacturing process — from raw material selection to final inspection — ensuring consistency that builders can depend on at any power level.</p><h3>Engine Sleeving &amp; Block Services</h3><p>Among Golden Eagle's most celebrated offerings is their engine sleeving program. Rather than simply dropping in a liner, GEM machines each sleeve as a complete new cylinder from raw material, installed entirely in-house. This approach addresses the most common causes of cylinder failure — from boosted applications pushing 20+ psi to engines recovering from cracked or scored cylinder walls. Their sleeving service covers a wide range of popular Honda, Acura, Nissan, Toyota, Subaru, and Hyundai engines, making GEM a go-to resource for the import performance community.</p><h3>A Broad Catalog of CNC-Machined Components</h3><p>Beyond sleeving, Golden Eagle's catalog spans a comprehensive range of engine hardware. Their <strong>head studs</strong>, forged from 8740 high-strength low-alloy steel and manufactured in the USA, are engineered to handle the demands of high-boost builds. <strong>Adjustable cam gears</strong>, precision-machined from 6061-T6 billet aluminum with hard-anodized outer gears, allow tuners to dial in cam timing with confidence. The lineup also includes block guards, head gaskets, main girdles, cam seals, oil plugs, fuel rails, scatter shields, and vacuum manifolds — essentially a one-stop resource for a serious Honda or Acura engine build.</p><p>Golden Eagle Manufacturing has also developed strong relationships within the import drag racing community, collaborating with top-level builders and teams to validate their products in the most demanding real-world conditions. Whether you're building a street car, a track-day weapon, or an all-out competition engine, GEM's combination of in-house manufacturing expertise and performance-focused design makes them a brand worth trusting.</p>