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Thumpr Hydraulic Roller Camshaft <br> 67-96 Big Block Chevy 396-454 V8

Thumpr Hydraulic Roller Camshaft <br> 67-96 Big Block Chevy 396-454 V8

Description:

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam

Features:

  • Camshaft Series: Thumpr
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.57 IN
  • Exhaust Valve Lift: 0.554 IN
  • Lifters Included: No
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: No
  • Camshaft Gear Attachment: 3-Bolt
  • Camshaft Material: Austempered Ductile Iron
  • Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
  • Cam, Lifter and Gear Drive Upgrade: GK11-602-8
  • Usage: Street/Strip
  • Cam and Lifter Kit Upgrade: CL11-602-8
  • K-Kit Upgrade: K11-602-8
  • Lifter Type: Hydraulic Roller
  • Cam Type: Hydraulic Roller
  • Grind Number: 299THR7
  • Grind Number: 299THR7
  • Basic Operating RPM Range: 2,500-6,100
  • Intake Duration at .050 Inch Lift: 243 DD
  • Exhaust Duration at .050 inch Lift: 257 DD
  • Advertised Intake Duration: 299 DD
  • Advertised Exhaust Duration: 319 DD


  • Package Includes:

  • Engine Camshaft
  • $549.95
    Thumpr Hydraulic Roller Camshaft <br> 67-96 Big Block Chevy 396-454 V8—
    $549.95
    Product image 1

    Description

    Description:

    Big Mutha' Thumpr 243/257 Hydraulic Roller Cam

    Features:

  • Camshaft Series: Thumpr
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.57 IN
  • Exhaust Valve Lift: 0.554 IN
  • Lifters Included: No
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: No
  • Camshaft Gear Attachment: 3-Bolt
  • Camshaft Material: Austempered Ductile Iron
  • Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
  • Cam, Lifter and Gear Drive Upgrade: GK11-602-8
  • Usage: Street/Strip
  • Cam and Lifter Kit Upgrade: CL11-602-8
  • K-Kit Upgrade: K11-602-8
  • Lifter Type: Hydraulic Roller
  • Cam Type: Hydraulic Roller
  • Grind Number: 299THR7
  • Grind Number: 299THR7
  • Basic Operating RPM Range: 2,500-6,100
  • Intake Duration at .050 Inch Lift: 243 DD
  • Exhaust Duration at .050 inch Lift: 257 DD
  • Advertised Intake Duration: 299 DD
  • Advertised Exhaust Duration: 319 DD


  • Package Includes:

  • Engine Camshaft