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COMP Cams Camshaft 516025

Authorized Dealer
Brand: COMP Cams COMP Cams
0 reviews
  • Have a product question? Ask us
  • Part Number: 51-602-5
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by April 30
Retail: $427.34
Price: $406.99
You Save: $20.35
Advertised Exhaust Duration (DEG)
313 Degree
Advertised Intake Duration (DEG)
295 Degree
Computer-Controlled Compatible
No
Engine Compatibility
Pontiac V8 265-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG)
257 Degree
Exhaust Valve Lift (IN)
0.486 Inch
Grind Number
295TH7
Intake Centerline Angle (DEG)
102 Degree
Intake Duration At 0.050 Inch Lift (DEG)
243 Degree
Intake Valve Lift (IN)
0.501 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; 2500-6400 RPM Range; 243 Degree Intake Duration @ 0.050 Inch Lift; 257 Degree Exhaust Duration @ 0.050 Inch Lift; 0.501 Inch Intake Valve Lift; 0.486 Inch Exhaust Valve Lift; 107 Degree Lobe Separation

MPN: 516025

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: 2500
RPM - High: 6400
Intake Duration At 0.050 Inch Lift (DEG): 243 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 257 Degree
Advertised Intake Duration (DEG): 295 Degree
Advertised Exhaust Duration (DEG): 313 Degree
Intake Valve Lift (IN): 0.501 Inch
Exhaust Valve Lift (IN): 0.486 Inch
Lobe Separation Angle (DEG): 107 Degree
Intake Centerline Angle (DEG): 102 Degree
Grind Number: 295TH7
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 516025
Advertised Exhaust Duration (DEG) 313 Degree
Advertised Intake Duration (DEG) 295 Degree
Computer-Controlled Compatible No
Engine Compatibility Pontiac V8 265-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG) 257 Degree
Exhaust Valve Lift (IN) 0.486 Inch
Grind Number 295TH7
Intake Centerline Angle (DEG) 102 Degree
Intake Duration At 0.050 Inch Lift (DEG) 243 Degree
Intake Valve Lift (IN) 0.501 Inch
Lobe Separation Angle (DEG) 107 Degree
Recommended Use Mild Street Performance To Mild Race
RPM - High 6400
RPM - Low 2500
Type Hydraulic Flat Tappet

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