Rockers

Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 (For Engines originally equipped with Roller cam)
Performance level 2 - Original - Most popular Ford hyd roller grind, blows away Chevrolets. Heavy mid-range.
INT/EXH - Dur @ .050” Lift: 222°/228° RR: 1.6/1.6 Gross Lift: .496”/.512” LSA: 112° RPM: 2400 to 5700 Redline: 6200

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Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 (For Engines originally equipped with Roller cam)
Performance level 3 - Original - Big cid camshaft (320-347 cid) with higher compression, good cylinder heads and valve train components.
INT/EXH - Dur @ .050” Lift: 228°/234° RR: 1.6/1.6 Gross Lift: .512”/.531” LSA: 112° RPM: 2600 to 6000 Redline: 6500

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Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 (Engines originally equipped with Roller cam)
Performance level 4 - Original - Aggressive rpm camshaft, high stall A.O.D. or a 5-speed with low gears. For well prepared engines.
INT/EXH - Dur @ .050” Lift: 234°/240° RR: 1.6/1.6 Gross Lift: .534”/.545” LSA: 110° RPM: 2700 to 6200 Redline: 6500

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Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 (Engines originally equipped with Roller cam)
Performance level 5 - Original - Top end insanity for serious, professionally built engines only. 1⁄4 mile drag special.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.6/1.6 Gross Lift: .524”/.529” LSA: 110° RPM: 3000 to 6300 Redline: 6500

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Ford - 240 & 300
Performance level 4 - Hydraulic Hauler - Hot street/drag profile with strong mid-range power.
INT/EXH - Dur @ .050” Lift: 220°/222° RR: 1.6/1.6 Gross Lift: .509”/.517” LSA: 110° RPM: 2500 to 6500 Redline: 6500 Learn More

Ford - 240 & 300
Performance level 1 - Mileage Compu-Pro - Enhances mileage and torque in stock engines.
INT/EXH - Dur @ .050” Lift: 184°/192° RR: 1.6/1.6 Gross Lift: .405”/.411” LSA: 112° RPM: Idle to 3500 Redline: 4000 Learn More

Ford - 240 & 300
Performance level 2 - Power Compu-Pro - Perfect combination of power and mileage with extended rpm’s.
INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .426”/.440” LSA: 112° RPM: 1500 to 4000 Redline: 4500 Learn More

Ford - 240 & 300
Performance level 3 - High Performance Compu-Pro - Hot street profile. Strong upper bottom and top end power.
INT/EXH - Dur @ .050” Lift: 202°/210° RR: 1.6/1.6 Gross Lift: .443”/.448” LSA: 112° RPM: 1800 to 4500 Redline: 5000 Learn More

Ford - 240 & 300
Performance level 4 - Ultra Performance Compu-Pro - Hot street/drag. Strong mid-to-top end power.
INT/EXH - Dur @ .050” Lift: 210°/213° RR: 1.6/1.6 Gross Lift: .456”/.461” LSA: 112° RPM: 2000 to 6000 Redline: 6500 Learn More

Ford - 240 & 300
Performance level 5 - Compu-Pro - Fantastic high torque mid-range grind.
INT/EXH - Dur @ .050” Lift: 238°/242° RR: 1.6/1.6 Gross Lift: .528”/.539” LSA: 105° RPM: 3000 to 6500 Redline: 7000 Learn More