Rockers

AMC - 199, 232, 234 (4.0L) & 258 (4.2L)
Performance level 3 - Pro-Street - Strong upper bottom to mid-range power.
INT/EXH - Dur @ .050” Lift: 238°/242° RR: 1.6/1.6 Gross Lift: .480”/.486” LSA: 112° RPM: 1800 to 4500 Redline: 6000 Learn More

AMC - 199, 232, 234 (4.0L) & 258 (4.2L)
Performance level 2 - Baja Beast - Strong Upper bottom/top end power.
INT/EXH - Dur @ .050” Lift: 208°/208° RR: 1.6/1.6 Gross Lift: .448”/.448” LSA: 112° RPM: 1800 to 4250 Redline: 4750 Learn More

AMC - 199, 232, 234 (4.0L) & 258 (4.2L)
Performance level 1 - Baja Beast - Better than stock, big mid-range power.
INT/EXH - Dur @ .050” Lift: 194°/202° RR: 1.6/1.6 Gross Lift: .432”/.453” LSA: 112° RPM: 700 to 3800

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AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 4 - Hi-Draulic Hauler - Strong mid to top end torque.
INT/EXH - Dur @ .050” Lift: 226°/236° RR: 1.6/1.6 Gross Lift: .498”/.496” LSA: 108° RPM: 2500 to 6000 Redline: 6500 Learn More

AMC - 199, 232, 234 (4.0L) & 258 (4.2L)
Performance level 4 - Pro-Street - Exhbits strong mi-range to top end performance
INT/EXH - Dur @ .050” Lift: 248°/250° RR: 1.6/1.6 Gross Lift: .499”/.512” LSA: 110° RPM: 2000 to 6000 Redline: 7000 Learn More

AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 1 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low end torque while delivering fuel efficient motoring. High vacuum, smooth idle and maximum fuel efficiency are characteristic to these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit. Intended for low compression engines operating in the “economy zone.”
INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .427”/.432” LSA: 112° RPM: Idle to 3500 Redline: 4000 Learn More

AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 1 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low end torque while delivering fuel efficient motoring. High vacuum, smooth idle and maximum fuel efficiency are characteristic to these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit. Intended for low compression engines operating in the “economy zone.”
INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .427”/.432” LSA: 112° RPM: Idle to 3500 Redline: 4000 Learn More

AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 1 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low end torque while delivering fuel efficient motoring. High vacuum, smooth idle and maximum fuel efficiency are characteristic to these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit. Intended for low compression engines operating in the “economy zone.”
INT/EXH - Dur @ .050” Lift: 184°/190° RR: 1.6/1.6 Gross Lift: .402”/.422” LSA: 112° RPM: Idle to 3500 Redline: 4000 Learn More

AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 4 - Hi-Draulic Hauler - Explosive mid to top end torque and horsepower.
INT/EXH - Dur @ .050” Lift: 242°/246° RR: 1.6/1.6 Gross Lift: .533”/.562” LSA: 108° RPM: 3000 to 6500 Redline: 6500 Learn More

AMC - 290, 304, 343, 360 (5.9L) & 390 401
Performance level 4 - Hi-Draulic Hauler - Emphasis on upper mid to top end power.
INT/EXH - Dur @ .050” Lift: 230°/242° RR: 1.6/1.6 Gross Lift: .504”/.501” LSA: 108° RPM: 2500 to 6000 Redline: 6500 Learn More