AMC V8Adv. Duration: 267/267Duration @ .050": 220/220Lift: .540/.540Lobe Separation: 108 LCIncluded Lifters: 91711 Hyd. Flat Tappet1800-5800. Classic performance idle, strong mid-range torque & power.
AMC V8 290-401 1966-1991Adv. Duration: 259/269Duration @ .050": 205/215Lift: .448/.474Lobe Separation: 112 LCIncludes Lifters: Yes, 91711800-4800. Street Force™ 1, Good idle, mild street performance, strong low end torque.
AMC V8 290-401 1966-1991Adv. Duration: 269/279Duration @ .050": 215/225Lift: .474/.496Lobe Separation: 112 LCIncludes Lifters: Yes, 917111200-5200. Street Force™ 2, Good idle & throttle response. Needs 4 barrel & good exhaust.
AMC V8 290-401 1966-1991Adv. Duration: 257/269Duration @ .050": 203/215Lift: .443/.475Lobe Separation: 110 LCIncludes Lifters: Yes, 91711800-4800. Smooth idle, improved low end. High vacuum, good furl economy.
AMC V8 290-401 1966-1991Adv. Duration: 261/267Duration @ .050": 214/220Lift: .527/.540Lobe Separation: 110 LCIncludes Lifters: Yes, 917111400-5400. Good idle, strong street performance.
AMC V8 290-401 1966-1991Adv. Duration: 277/277Duration @ .050": 223/223Lift: .480/.480Lobe Separation: 114 LCIncludes Lifters: Yes, 917111500-5500. Strong low & mid-range torque & horsepower.
American Motors V8 290-401 1966-1991Adv. Duration: 291/299Duration @ .050": 244/252Lift: .604/.629Lobe Separation: 108 LCIncludes Lifters: Yes, 917112600-5400. Rough idle, better with 390 & larger ci. Needs 2000+ stall & gears.