Crower 44248 Features:

Crower Compu-Pro Level 1 hydraulic flat tappet camshaft for AMC 199-258 inline 6-cylinder engines, 1964-1983, part number 44248. Duration at 0.050 in. lift: 226° intake and 236° exhaust for improved throttle response and strong low-end torque. Advertised duration: 278° intake and 283° exhaust, matching Grind Number 278-HDP for fuel-efficient street performance. Valve lift with 1.6 rocker ratio: 0.518 in. intake and 0.526 in. exhaust; 112° lobe separation angle.

AMC 199-258 6-CYL 64-83 C Hydraulic Flat Tappet Cam Features:

• Hydraulic flat-tappet camshaft for AMC 199-258 inline-6, stock-replacement performance upgrade with fuel-efficient operation
• 226°/236° duration at 0.050 in. lift for stronger throttle response, improved low-end torque, and street-ready drivability
• 278°/283° advertised duration profile balances mileage gains with responsive acceleration across the usable RPM range
• 0.518 in./0.526 in. valve lift with 1.6 rocker ratio supports increased airflow and enhanced cylinder filling efficiency
• 112° lobe separation angle, fits 1964-1983 AMC 199, 232, 234 4.0L, and 258 4.2L 6-cylinder applications

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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