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COMP Cams Camshaft 516015

Authorized Dealer
Brand: COMP Cams COMP Cams
0 reviews
  • Have a product question? Ask us
  • Part Number: 51-601-5
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by April 30
Retail: $389.54
Price: $370.99
You Save: $18.55
Advertised Exhaust Duration (DEG)
305 Degree
Advertised Intake Duration (DEG)
287 Degree
Computer-Controlled Compatible
No
Engine Compatibility
Pontiac V8 265-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG)
249 Degree
Exhaust Valve Lift (IN)
0.475 Inch
Grind Number
287TH7
Intake Centerline Angle (DEG)
102 Degree
Intake Duration At 0.050 Inch Lift (DEG)
235 Degree
Intake Valve Lift (IN)
0.49 Inch
Lobe Separation Angle (DEG)
107 Degree
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COMP Cams Camshaft

Camshaft; Thumpr ™; Pontiac 4.3L-7.5L/265-455 Cubic Inch; Hydraulic Flat Tappet; 2200-6100 RPM Range; 235 Degree Intake Duration @ 0.050 Inch Lift; 249 Degree Exhaust Duration @ 0.050 Inch Lift; 0.490 Inch Intake Valve Lift; 0.475 Inch Exhaust Valve Lift; 107 Degree Lobe Separation

MPN: 516015

The Thumpr™ Camshafts are a series of hydraulic flat tappet and hydraulic roller Camshafts that are now available for most popular applications, carb and late model EFI. The reason that the new Thumpr™ Camshafts have such an aggressive exhaust note is that the lobe profiles and grind characteristics chosen by the COMP Cams(R) engineers produce a combination of early exhaust Valve opening, long exhaust duration and a generous amount of intake and exhaust overlap to maximize the rough idling characteristics of the cams without negatively impacting the power output or streetability. Thumpr™ cams deliver incredible muscle car sound and a new level of streetable performance.
Engine Compatibility: Pontiac V8 265-455 Cubic Inch
Recommended Use: Mild Street Performance To Mild Race
Type: Hydraulic Flat Tappet
RPM - Low: 2200
RPM - High: 6100
Intake Duration At 0.050 Inch Lift (DEG): 235 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 249 Degree
Advertised Intake Duration (DEG): 287 Degree
Advertised Exhaust Duration (DEG): 305 Degree
Intake Valve Lift (IN): 0.49 Inch
Exhaust Valve Lift (IN): 0.475 Inch
Lobe Separation Angle (DEG): 107 Degree
Intake Centerline Angle (DEG): 102 Degree
Grind Number: 287TH7
Computer-Controlled Compatible: No

Features

  • Available In Both Hydraulic Flat Tappet And Hydraulic Roller Designs For Most Popular Applications, Carb And Late Model EFI
  • Three Unique Grinds For Each Engine To Fit All Cruising And Street Performance Needs
  • Long Exhaust Duration And Other Grind Characteristics Produce A Powerful, Hard Hitting Exhaust Note
  • Designed For Use With The Latest In Valve Train Component Advancements Such As Beehive™ Valve Springs, Pro Magnum™ Roller Rockers And Magnum Pushrods
  • Limited 1 Year Warranty
Specifications of COMP Cams Camshaft 516015
Advertised Exhaust Duration (DEG) 305 Degree
Advertised Intake Duration (DEG) 287 Degree
Computer-Controlled Compatible No
Engine Compatibility Pontiac V8 265-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG) 249 Degree
Exhaust Valve Lift (IN) 0.475 Inch
Grind Number 287TH7
Intake Centerline Angle (DEG) 102 Degree
Intake Duration At 0.050 Inch Lift (DEG) 235 Degree
Intake Valve Lift (IN) 0.49 Inch
Lobe Separation Angle (DEG) 107 Degree
Recommended Use Mild Street Performance To Mild Race
RPM - High 6100
RPM - Low 2200
Type Hydraulic Flat Tappet

1957 Pontiac Bonneville

1971 Pontiac Bonneville

1977 Pontiac Bonneville
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1964 Pontiac Grand Prix
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1971 Pontiac Grand Safari
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1964 Pontiac GTO
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1963 Pontiac LeMans
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1955 Pontiac Star Chief
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