Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050": 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91115 Mechanical Flat Tappet
4200-7800.  Rough idle, large 400+ Bracket/Class cam. Needs good heads & intake.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050": 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91118 Direct Lube Mech. Flat Tappet
4200-7800.  Rough idle, large 400+ Bracket/Class cam. Needs good heads & intake.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050": 278/286
Lift: .550/.570
Lobe Separation: 110 LC
Included Lifters: 91115 Mechanical Flat Tappet
4200-8000.  Large 400+ Bracket, broad upper mid-range & top end power. Needs good heads.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050": 278/286
Lift: .550/.570
Lobe Separation: 110 LC
Included Lifters: 91118 Direct Lube Mech. Flat Tappet
4200-8000.  Large 400+ Bracket, broad upper mid-range & top end power. Needs good heads.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050: 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91115 Mech. Flat Tappet
4500-8000.  Large 400+ bracket/class cam. Needs good heads & intake.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050: 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91115 Mech. Flat Tappet
4500-8000.  Small Base Circle, Large 400+ bracket/class cam. Needs good heads & intake.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050: 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91118 Direct Lube Mech. Flat Tappet
4500-8000.  Large 400+ bracket/class cam. Needs good heads & intake.

Chevrolet Small Block
Adv. Duration: 313/321
Duration @ .050: 278/286
Lift: .550/.570
Lobe Separation: 106 LC
Included Lifters: 91118 Direct Lube Mech. Flat Tappet
4500-8000.  Small Base Circle, Large 400+ bracket/class cam. Needs good heads & intake.