350 405HP/430TQ

• HEADS: GM L31 VORTEC W/POCKET PORT
• COMPRESSION RATIO: 9.4:1
• INTAKE: PERFORMER RPM VORTEC
• CARB: HOLLEY 750CFM
• CAM: COMP CAMS XE 268H
• DURATION: 268/280-224/230@.050
• VALVE LIFT: .509/.512@1.6
• LSA: 110 DEGREES

Horsepower/rpm

• 137/2000
• 157/2500
• 227/3000
• 284/3500
• 321/4000
• 354/4500
• 382/5000
• 395/5500
• -------------
• 408/5800-PEAK HP

Torque/rpm

• 357/2000
• 331/2500
• 397/3000
• 427/3500
• 422/4000
• 413/4500
• 402/5000
• 378/5500
• -------------
• 430/3700-PEAK TQ