Chrysler SB LA 273, 340, 360 1964-2003 318 1967-1991

Advertised Duration: 277/283

Duration @ .050": 230/236

Valve Lift w/1.50 Rockers: .531/.547

Lobe Separation Angle: 110

Intake Centerline: 106

2600-6200. Lopey idle, strong mid-range, good throttle response, 2400+ stall.

Chrysler SB LA V8 273-340-360 '64-'03,  318 '67-'91
Advertised Duration: 285/285

Duration @ .050": 231/231

Valve Lift w/1.50 Rockers: .480/.480

Lobe Separation Angle: 109

Intake Centerline: 105

2600-6000. Runs strong 3,500 & up. 9.5+ comp., auto OK with gears.

Chrysler SB LA 273, 340, 360 1964-2003 318 1967-1991

Advertised Duration: 283/287

Duration @ .050": 236/240

Valve Lift w/1.50 Rockers: .547/.559

Lobe Separation Angle: 108

Intake Centerline: 104

2800-6400. Lopey idle, good mid-range power. Needs 3200+ stall.

Chrysler SB LA 273, 340, 360 1964-2003 318 1967-1991

Advertised. Duration: 289/289

Duration @ .050": 242/242

Valve Lift w/1.50 Rockers: .562/.562

Lobe Separation Angle: 108

Intake Centerline: 104

2300-6500. Fair idle, circle track lift rule only. Strong mid-range.

Chrysler SB LA 273, 340, 360 1964-2003 318 1967-1991

Advertised Duration: 291/295

Duration @ .050": 244/248

Valve Lift w/1.50 Rockers: .566/.578

Lobe Separation Angle: 108

Intake Centerline: 104

2800-6500. Hot Street/Bracket, strong mid range performance.

Chrysler SB LA 273, 340, 360 1964-2003 318 1967-1991

Advertised Duration: 295/301

Duration @ .050": 248/254

Valve Lift w/1.50 Rockers: .578/.590

Lobe Separation Angle: 108

Intake Centerline: 104

4200-7000. Rough idle, pro street/brackets, strong mid & upper end power. 10.0:1+ CR.