08-602-8 299THR7 Mutha Thumpr Hydraulic Roller Camshaft for 1991-1993 Small Block Chevy Buick Roadmaster

Compcams is the absolute leader in valve train technology as we provide the highest-performing products possible, with superior service, and lead the industry in technological development. We take utmost initiative to offer high performance and reliable products. Everything in your valve train is part of a complex interlocking system that needs to perform well. Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve, More vacuum allows an increase in duration for improved performance & assists power brakes, Excellent performance in street carbureted applications.

• 1991-1993 Small Block Chevy Buick Roadmaster

• Lifter Style: Hydraulic Roller
• Camshaft Gear Attachment: 3-bolt
• Cam Style: Hydraulic roller tappet
• Basic Operating RPM Range: 2,500-6,200
• Intake Duration at 050 inch Lift: 243
• Exhaust Duration at 050 inch Lift: 257
• Duration at 050 inch Lift: 243 int./257 exh.
• Advertised Intake Duration: 299
• Advertised Exhaust Duration: 319
• Advertised Duration: 299 int./319 exh.
• Intake Valve Lift with Factory Rocker Arm Ratio: 0.533"
• Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.519"
• Valve Lift with Factory Rocker Arm Ratio: 0.533 int./0.519 exh.
• Lobe Separation (degrees): 107
• Grind Number: 299THR7