Crower 73639-16 Features:

Crower stainless steel stud-mount rocker arms for AMC 290-401 engines 1.7 ratio design helps support precise valvetrain motion in performance builds Fits 3/8 in. stud-mount applications for compatible AMC V8 configurations Performance-focused rocker arm set built for strength, wear resistance, and accuracy

Rocker Arms AMC 290-401 1 1.7 Ratio 3/8 In. Features:

• AMC 290-401 fitment, 1.7 ratio valvetrain geometry, 3/8 in. stud-mount compatibility, stable rocker alignment for performance-oriented engine builds
• Premium stainless steel construction, corrosion-resistant strength, high-wear durability, long-term valvetrain reliability under demanding operating conditions
• Stud-mount rocker arm design, precise valve motion control, consistent ratio action, smooth high-rpm operation for performance AMC V8 applications
• Performance valvetrain upgrade, accurate ratio transfer, dependable actuation stability, optimized for precision-focused AMC 290-401 engine assemblies
• 16-piece rocker arm set, precision-machined stainless steel, application-specific AMC V8 fit, durable support for high-performance valvetrain setups