221,302 Boss

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