SKU: JESKPS-533180-8080
UPC: 805550407121
MPN: KPS-533180-8080
The Pro Shaft Rocker Kit LS3 1.80/1.80 AFR Mongoose by JESEL is a precision rocker arm assembly designed for serious LS3 engine builders and performance enthusiasts who demand repeatable, race-proven reliability. This kit serves the high-revving demands of street, strip, and circuit competition where valve train stability directly impacts horsepower delivery and engine longevity. Built for shootout-winning builds, the Pro Shaft Rocker Kit integrates JESEL's signature engineering to eliminate flex and maximize valve control under extreme operating conditions.
The 1.80/1.80 rocker arm ratio configuration delivers a balanced mechanical advantage for both intake and exhaust valve events, optimizing lift and duration characteristics across the RPM band. JESEL's Pro Shaft design employs precision-ground, hardened steel construction with carefully engineered bearing surfaces to reduce wear and friction while maintaining exact valve geometry. The AFR Mongoose designation indicates this kit is specifically calibrated for AFR (Air Flow Research) cylinder head applications, ensuring perfect compatibility with those high-flow heads and their valve train envelope. Weighing 15.8 lbs, the complete assembly reflects the density and quality of materials required for sustained performance at elevated boost levels and engine speeds.
Racers, engine builders, and platform engineers running LS3-based power plants with AFR cylinder heads will recognize this kit as a non-negotiable foundation component for builds targeting 600+ horsepower or extended high-RPM operation. Installation requires proper valve train setup, checking rocker arm geometry, and confirming clearances with your specific camshaft and spring package—tasks best performed by experienced builders or qualified shops familiar with LS engine architecture. The Pro Shaft Rocker Kit represents JESEL's commitment to precision and consistency, making it the preferred choice for competitors and builders who cannot afford valve train failure.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
