AMC Xtreme Hydraulic Cam X4250H

The COMP CAMS AMC Xtreme Hydraulic Cam X4250H for sale is engineered for serious AMC engine builders and performance enthusiasts who demand maximum power and reliability. This hydraulic flat-tappet camshaft delivers the aggressive lift and duration needed to unlock horsepower gains in classic and modern AMC V8 applications. Whether you're restoring a vintage muscle car or building a street performance engine, this cam provides the foundation for elevated power output while maintaining drivability.

The X4250H features hydraulic valve lifter compatibility, which ensures consistent valve train geometry and reduces complexity compared to solid lifter designs. COMP CAMS' precision manufacturing and quality materials deliver repeatable performance and extended service life across thousands of engine cycles. The aggressive profile is optimized for peak power generation while the hydraulic design self-adjusts for thermal expansion, eliminating the need for manual lifter preload adjustment—a critical advantage for engine longevity and simplified maintenance.

This cam is ideal for AMC 258, 304, 343, and 401 cubic-inch engines commonly found in Jeep, Javelin, and AMX platforms. Installation requires a properly prepared block with correct lifter bores and compatible pushrods; professional engine builders recommend verifying valve clearance and spring pressures during installation. The AMC Xtreme Hydraulic Cam X4250H pairs seamlessly with stock or performance cylinder heads and intake manifolds, making it a versatile choice for both street and mild performance builds seeking reliable horsepower gains.