Chrysler BB B/RB 383-440 1959-1980
Adv. Duration: 281/289

Duration @ .050": 227/235

Lift: .480/.488

Lobe Separation: 109 LC

Includes Lifters: Yes, 91711

1800-5600. Rattler, Choppy idle, high performance street, stock converter ok, best with 1800+ and gears.

Chrysler BB B/RB 383-440 1959-1980

Adv. Duration: 289/297

Duration @ .050": 235/243

Lift: .488/.480

Lobe Separation: 109 LC

Includes Lifters: Yes, 91711

2000-6000. Big Mama Rattler, Lopey idle. Street or street/strip. Needs 9.0:1 compression, 2500+ stall.

Chrysler BB B/RB 383-440 1959-1980

Adv. Duration: 297/305

Duration @ .050": 243/251

Lift: .507/.495

Lobe Separation: 109 LC

Includes Lifters: Yes, 91711

2400-6400. Big Daddy Rattler, Rough idle. Pro street or street/strip. Needs 9.5:1 compression, 2800+.

Chrysler BB B/RB 383-440 1959-1980
Adv. Duration: 280/288
Duration @ .050": 227/235
Lift: .525/.530

Lobe Separation: 109 LC

Includes Lifters: Yes, 91767

1800-5400. Rattler, Choppy idle. High performance street, stock converter ok, best with 1800+ and gears.

Chrysler BB B/RB 383-440 1959-1980
Adv. Duration: 288/296
Duration @ .050": 235/243
Lift: .530/.530

Lobe Separation: 109 LC

Includes Lifters: Yes, 91767

2000-5600. Big Mama Rattler, Lopey idle. Street or street/strip. Needs 9.0:1 compression, 2500+ stall.

Chrysler BB B/RB 383-440 1959-1980
Adv. Duration: 296/304
Duration @ .050": 243/251
Lift: .530/.515

Lobe Separation: 109 LC

Includes Lifters: Yes, 91767

2400-6200. Big Daddy Rattler™, Rough idle. Pro street or street/strip. Needs 9.5:1 compression, 2800+.