> >>Comp Cams Thumpr LS Engines Camshaft 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

Comp Cams Thumpr LS Engines Camshaft 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

54-600-11

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GM LS Gen III/IV 8 Cyl. '97-Current Three-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L Engines

High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Intake Duration At 0.050 Inch Lift (DEG): 219 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 233 Degree
Intake Valve Lift (IN): 0.553 Inch
Exhaust Valve Lift (IN): 0.536 Inch

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CAD$599.95

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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: GM LS Gen III/IV Three-Bolt
Recommended Use: Mild Street Performance To Mild Race
Type: Hydraulic Roller
RPM - High: 6400
RPM - Low: 2000
Intake Duration At 0.050 Inch Lift (DEG): 219 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 233 Degree
Advertised Intake Duration (DEG): 275 Degree
Advertised Exhaust Duration (DEG): 295 Degree
Intake Valve Lift (IN): 0.553 Inch
Exhaust Valve Lift (IN): 0.536 Inch
Lobe Separation Angle (DEG): 109 Degree
Intake Centerline Angle (DEG): 103 Degree
Computer-Controlled Compatible: No
Grind Number: 275THR9

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

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Comp Cams Thumpr LS Engines Camshaft 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

Comp Cams Thumpr LS Engines Camshaft 3-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L

GM LS Gen III/IV 8 Cyl. '97-Current Three-Bolt 4.8/5.3/5.7/6.0/6.2/7.0L Engines

High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Intake Duration At 0.050 Inch Lift (DEG): 219 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 233 Degree
Intake Valve Lift (IN): 0.553 Inch
Exhaust Valve Lift (IN): 0.536 Inch