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Thumpr Hydraulic Flat Tappet Camshaft <br> 66-91 American Motors 290-401
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Thumpr Hydraulic Flat Tappet Camshaft <br> 66-91 American Motors 290-401

Thumpr Hydraulic Flat Tappet Camshaft <br> 66-91 American Motors 290-401

$261.78

Original: $747.95

-65%
Thumpr Hydraulic Flat Tappet Camshaft <br> 66-91 American Motors 290-401—

$747.95

$261.78

The Story

Description:

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.

Features:

  • Kit Type: K-Kit - Complete Kit
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.491 IN
  • Exhaust Valve Lift: 0.476 IN
  • Lifters Included: Yes
  • Valve Springs Included: Yes
  • Assembly Lubricant Included: Yes
  • Camshaft Material: Cast Iron
  • Lifter Type: Hydraulic Flat Tappet
  • Gaskets Included: No
  • Engine Family: American Motors 290-401 c.i. 8 Cylinder (1966-1991)
  • Camshaft Series: Thumpr
  • Usage: Street/Strip
  • Cam Type: Hydraulic Flat Tappet
  • Basic Operating RPM Range: 2,000-5,800
  • Intake Duration at .050 Inch Lift: 227 DD
  • Exhaust Duration at .050 inch Lift: 241 DD
  • Advertised Intake Duration: 279 DD
  • Advertised Exhaust Duration: 296 DD


  • Package Includes:

  • Engine Camshaft Kit
  • Description

    Description:

    K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.

    Features:

  • Kit Type: K-Kit - Complete Kit
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.491 IN
  • Exhaust Valve Lift: 0.476 IN
  • Lifters Included: Yes
  • Valve Springs Included: Yes
  • Assembly Lubricant Included: Yes
  • Camshaft Material: Cast Iron
  • Lifter Type: Hydraulic Flat Tappet
  • Gaskets Included: No
  • Engine Family: American Motors 290-401 c.i. 8 Cylinder (1966-1991)
  • Camshaft Series: Thumpr
  • Usage: Street/Strip
  • Cam Type: Hydraulic Flat Tappet
  • Basic Operating RPM Range: 2,000-5,800
  • Intake Duration at .050 Inch Lift: 227 DD
  • Exhaust Duration at .050 inch Lift: 241 DD
  • Advertised Intake Duration: 279 DD
  • Advertised Exhaust Duration: 296 DD


  • Package Includes:

  • Engine Camshaft Kit