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Classic Thumpr Hydraulic Flat Tappet Camshaft <br> 57-66 Buick Electra, Wildcat, Riviera, Invicta
COMP CAMS
®

Classic Thumpr Hydraulic Flat Tappet Camshaft
57-66 Buick Electra, Wildcat, Riviera, Invicta

SKU: CCA-91-601-5
$476.95

Availability: Out Of Stock

Compatibility
Specification
Product Description Reviews
Description:

Classic Mutha' Thumpr 227/241 Hydraulic Flat Cam Buick 364, 401, 425 Nailhead. Street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, very rough idle.

Features:

  • Camshaft Series: Classic Thumpr
  • Lobe Separation: 107 DD
  • Intake Valve Lift: 0.49 IN
  • Exhaust Valve Lift: 0.475 IN
  • Lifters Included: No
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: Yes
  • Camshaft Material: Cast Iron
  • Engine Family: Buick Nailhead 364, 401, 425 c.i. 8 Cylinder (1957-1966)
  • Lifter Type: Hydraulic Flat Tappet
  • Usage: Street/Strip
  • Grind Number: 287TH7
  • Cam Type: Hydraulic Flat Tappet
  • 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: 305 DD


  • Package Includes:

  • Engine Camshaft


  • Compatible With:

  • 1959-1966 Buick Electra
  • 1965-1966 Buick Skylark Gran Sport
  • 1962-1966 Buick Wildcat
  • 1959-1964 Buick LeSabre Estate Wagon
  • 1963-1966 Buick Riviera
  • 1959-1963 Buick Invicta
  • 1957-1958 Buick Century Roadmaster Special Super
  • 1958 Buick Limited


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