Chevrolet Small Block
Advertised Duration: 283/289
Duration @ .050": 254/260
Valve Lift w/1.50 Rockers: .515/.515
Lobe Separation Angle: 106
Included Lifters:  Scorpion Mech. Flat Tappet
3200-7200. Late model stock, best on 3/8 to 1/2 mile asphalt tracks with limited intakeintake.

Chev SB 262-400 1955-1998
4/7 Swap
Advertised Duration: 295/301
Duration @ .050": 263/269
Valve Lift w/1.50 Rockers: .640/.620
Lobe Separation Angle: 106
Intake Centerline: 102
Valve Lash: .022/.022
4000-8000. 1/4-3/8, good heads. Dirt late model.

LIMITED TO STOCK ON HAND

Pontiac V8
Advertised Duration: 302/302
Duration @ .050": 231/231
Valve Lift w/1.50 Rockers: .480/.480
Lobe Separation Angle: 110

LIMITED TO STOCK ON HAND. SOLD AS IS, NO RETURNS.

Chevrolet SB
Adv. Duration: 296/296
Duration @ .050": 243/243
Lift: .420/.420
Lobe Separation: 106 LC
Included Lifters: 91111 Hyd. Flat Tappet
3800-6600. Oval Track Lift Rule, .420” Lift Rule, Good upper mid-range torque. High banked 3/8 to 1/2 mile.

LIMITED TO STOCK ON HAND

Chevrolet BB Mark IV 396-502 1965-1996
Advertised Duration: 315/319
Duration @ .050": 283/287
Valve Lift w/1.70 Rockers: .765/.737
Lobe Separation Angle: 108
Intake Centerline: 104
4600-8200. Competition only, needs cubic inch, high CR, stall & gears.

LIMITED TO STOCK ON HAND