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

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

SKU: CCA-10-603-5
$341.95

Availability: Out Of Stock

Compatibility
Specification
Product Description Reviews
Description:

Mutha' Thumpr 235/249 Hydraulic Flat Cam for AMC 290-401. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle.

Features:

  • Camshaft Series: Thumpr
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.5 IN
  • Exhaust Valve Lift: 0.486 IN
  • Lifters Included: No
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: Yes
  • Camshaft Gear Attachment: 1-Bolt
  • Camshaft Material: Cast Iron
  • Engine Family: American Motors 290-401 c.i. 8 Cylinder (1966-1991)
  • Cam and Lifter Kit Upgrade: CL10-603-5
  • Usage: Street/Strip
  • K-Kit Upgrade: K10-603-5
  • Lifter Type: Hydraulic Flat Tappet
  • Cam Type: Hydraulic Flat Tappet
  • Grind Number: 287TH7
  • Grind Number: 287TH7
  • Basic Operating RPM Range: 2,200-6,100
  • Intake Duration at .050 Inch Lift: 235 DD
  • Exhaust Duration at .050 inch Lift: 249 DD
  • Advertised Intake Duration: 287 DD
  • Advertised Exhaust Duration: 304 DD


  • Package Includes:

  • Engine Camshaft


  • WARNING: This product contains chemicals known to the State. For more information go to https://www.p65warnings.ca.gov/