Chevrolet Small Block 262-400 1955-1998 Adv. Duration: 300/308 Duration @ .050": 247/255 Lift: .600/.600
Lobe Separation: 110 LC Included Lifters: 91160 Hyd. Roller 3000-6600. Small Base Circle, Hot Street/Brackets. Requires aftermarket heads, 3500+ stall.
Chevrolet Small Block 262-400 1955-1998 Adv. Duration: 300/308 Duration @ .050": 247/255 Lift: .600/.600 Lobe Separation: 112 LC Included Lifters: 91160 Hyd. Roller 3000-6600. Pro Street/Bracket, good top end horsepower. Needs compression & 3500+ stall.
Chevrolet Small Block Adv. Duration: 272/278 Duration @ .050": 219/225 Lift: .525/.525 Lobe Separation: 112 LC Included Lifters: 91164N Hyd. Roller 1500-5600 Fair idle, Good all around performance
Chevrolet Small Block Adv. Duration: 290/298 Duration @ .050": 237/245 Lift: .560/.560 Lobe Separation: 110 LC 2400-6500, Hot Street & Bracket Racing, great mid-range.