Chevrolet Small BlockAdv. Duration: 299/299Duration @ .050": 245/245Lift: .510/.510Lobe Separation: 109 LCIncluded Lifters: 91111 Hyd. Flat Tappet3400-6700. Hot Street/Brackets. Needs 10.0:1+ CR, good heads & exhaust. 3500+ stall.
Chevrolet Small Block Adv. Duration: 298/304Duration @ .050": 245/251Lift: .400/.400Lobe Separation: 106 LCIncluded Lifters: 91112 Hyd. Flat Tappet3000-6800. Oval Track Lift Rule, Stock Lift Rule, fast 3/8 to 1/2 mile tracks. Nice mid-range power.
Chevrolet Small Block Adv. Duration: 298/304Duration @ .050": 245/251Lift: .400/.400Lobe Separation: 108 LCIncluded Lifters: 91112 Hyd. Flat Tappet3000-6800. Oval Track Lift Rule, Stock Lift Rule, medium to high banked 3/8 to 1/2 mile tracks.
Chevrolet Small Block Adv. Duration: 300/306Duration @ .050": 247/253Lift: .390/.410Lobe Separation: 106 LCIncluded Lifters: 91112 Hyd. Flat Tappet4000-7000. Oval Track Lift Rule, Stock Lift Rule, Fast 3/8 to 1/2 mile banked tracks. Good top-end power.
Chevrolet Small Block Adv. Duration: 300/306Duration @ .050": 247/253Lift: .390/.410Lobe Separation: 112 LCIncluded Lifters: 91112 Hyd. Flat Tappet3800-7000. Oval Track Lift Rule, Stock Lift Rule & Vacuum Rule, fast 3/8 to 1/2 mile banked tracks.
Chevrolet Small BlockAdvertised Duration: 302/306Duration @ .050": 249/253Valve Lift: .420/.420Lobe Separation: 106Lifters Included: 91112 Hyd. Flat Tappet3800-7000 .420" Lift Rule, fast high banked 1/2 mile tracks with fast corners.
Chevrolet Small BlockAdv. Duration: 302/306Duration @ .050": 249/253Lift: .420/.420Lobe Separation: 112 LCIncluded Lifters: 91112 Hyd. Flat Tappet3800-7200. Oval Track Lift Rule, .420” Lift Rule, fast high banked 1/2 mile tracks with fast corners.
Chevrolet Small BlockAdv. Duration: 303/309Duration @ .050: 268/274Lift: .550/.535Lobe Separation: 106 LC Included Lifters: 91115 Mech. Flat Tappet3200-7200. Small Base Circle, Rough idle, Drag race. Higher CR, stall speed & lower gears.
Chevrolet Small Block 262-400Advertised Duration: 269/279Duration @ .050: 215/225Lift: .455/.465Lobe Separation: 110 LCIncluded Lifters: 91111 Hyd. Flat Tappet1200-5500. Good idle, Strong low & mid-range torque & horsepower.