Chevrolet Small Block Adv. Duration: 278/284 Duration @ .050": 225/231 Lift: .500/.510 Lobe Separation: 114 LC Included Lifters: 91164N Hyd. Roller 1800-5600. Mild idle, Street Performance, Great with small blower or NOS.
Chevrolet Small Block Adv. Duration: 278/286 Duration @ .050": 225/233 Lift: .525/.530
Lobe Separation: 110 LC Included Lifters: 91164N, Street Series Retro-Fit Hydraulic Roller Lifters 2200-5800. Small Base Circle, Rough idle, Street/Strip performance. Strong mid-range. 2500+ stall.
Chevrolet Small Block Adv. Duration: 284/288 Duration @ .050": 231/235 Lift: .530/.545
Lobe Separation: 112 LC Included Lifters: 91164N, Street Series Retro-Fit Hydraulic Roller Lifters 2000-5600. Small Base Circle, Fair idle, performance usage. Great mid-range torque & horsepower.
Chevrolet Small Block Adv. Duration: 286/294 Duration @ .050": 233/241 Lift: .530/.545
Lobe Separation: 110 LC Included Lifters: 91164N, Street Series Retro-Fit Hydraulic Roller Lifters 2400-5800. Small Base Circle, Rough idle, Hot Street & Bracket Racing. 10.0:1-up CR. 2800+ stall.
Chevrolet Small Block Adv. Duration: 286/294 Duration @ .050": 233/241 Lift: .530/.545
Lobe Separation: 112 LC Included Lifters: 91164N, Street Series Retro-Fit Hydraulic Roller Lifters 2400-5800. Small Base Circle, Rough idle, Hot Street & Bracket Racing. 10.0:1-up CR. 2800+ stall.