Chevrolet SB
Adv. Duration: 262/270
Duration @ .050": 218/224
Lift: .462/.469

Lobe Separation: 110 LC
Includes Lifters: No
1300-5600. Excellent response, good mid-range, noticeable idle.

Chevrolet SB
Adv. Duration: 268/280
Duration @ .050": 224/230
Lift: .477/.480

Lobe Separation: 110 LC
Includes Lifters: No
1600-5800. Largest for stock converter, better with 2000+.

Chevrolet SB
Adv. Duration: 274/286
Duration @ .050": 230/236
Lift: .490/.490

Lobe Separation: 110 LC
Includes Lifters: No
1800-6000. Very strong mid range, 2200+ stall.

Chevrolet SB
Adv. Duration: 284/296
Duration @ .050": 240/246
Lift: .507/.510

Lobe Separation: 110 LC
Includes Lifters: No
2300-6500. Street/strip, 2800+ stall, rough idle.

Chevrolet SB
Adv. Duration: 294/306
Duration @ .050": 250/256
Lift: .519/.523

Lobe Separation: 110 LC
Includes Lifters: No
2800-7000. Pro street/bracket, needs good intake, 3300+ stall.

Chevrolet SB
Adv. Duration: 294/306
Duration @ .050": 250/256
Lift: .519/.523

Lobe Separation: 110 LC
Includes Lifters: No
2800-7000. Pro street/bracket, needs good intake, 3300+ stall.