Buick 400-430-455 1967-1976

Adv. Duration: 281/289

Duration @ .050": 227/235

Lift: .501/.501

Lobe Separation: 109 LC

Includes Lifters: No

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

Buick 400-430-455 1967-1976

Adv. Duration: 289/297

Duration @ .050": 235/243

Lift: .501/.480

Lobe Separation: 109 LC

Includes Lifters: No

2000-5900. Big Mama Rattler, Lopey idle. Street or street/strip. Needs 9.0:1 compression, 2500+ stall.

Buick 400-430-455 1967-1976

Adv. Duration: 297/305

Duration @ .050": 243/251

Lift: .512/.528

Lobe Separation: 109 LC

Includes Lifters: No

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