COMP Cams Camshaft CB 305Qio10 - 11-617-44

4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454

Application: Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Recommended in highly modified street/strip or bracket race engines and also works well in 572+ c.i. applications.

Hydraulic Roller: 4-Pattern 305QIO10 - Recommended in highly modified street/strip or bracket race engines and also works well in 572+c.i.d. Applications.

• Technology developed and race-proven in NASCAR.
• Feature a large increase in both area under the curve and stability at high RPM.
• Optimize valve events based on runner length.
• Feature a large increase in both area under the curve and stability at high RPM.
• Technology developed and race-proven in NASCAR.
• Feature four lobe patterns, one intake and exhaust design for outboard runners and another intake and exhaust design for inboard runners.
• Optimize valve events based on runner length.