Free #1221 Air Cleaner With AVS or Performer Carb Purchase Shop Edelbrock

ASK AN EXPERT

800 999 0853

|
Toggle Nav
Menu
Brands
  • Choose To Shop By Brand

  • Performance Intakes, Carbs,  Heads & More!

  • Performance Transmissions,  Drivetrain & More!

  • Leader in Fuel Injection, Ignition & More!

  • Plumbing: Advanced Fluid Transfer Systems!

  • Performance Crankshafts, Valve Train & More!

Account
Cart 0 Shopping Cart
main product photo
Loading...
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for AMC 290-401

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for AMC 290-401

Thumpr 243/257 Hydraulic Flat Cam for AMC 290-401

Thumpr 243/257 Hydraulic Flat Cam for AMC 290-401

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit for AMC 290-401

$711.95
Big Mutha' Thumpr™ 243/257 Hydraulic Flat Cam K-Kit for AMC 290-401. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
TEMPORARILY OUT OF STOCK
SKU
K10-604-5
Add to Wish List Add to Compare
More Information
UPC 036584214380
Manufacturer COMP Cams®
Emissions Code
Engine Family AMC 290-401 c.i. 8 Cylinder (1966-1991)
RPM Operating Range 2,500-6,400
Cam Type Hydraulic Flat Tappet
Camshaft Series Thumpr
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 295
Advertised Exhaust Duration 312
Intake Duration at .050 Inch Lift 243
Exhaust Duration at .050 Inch Lift 257
Intake Valve Lift 0.512
Exhaust Valve Lift 0.497
Lobe Separation 107
Lifter Style Hydraulic Flat Tappet
CUSTOMER SUPPORT
EASY FREE SHIPPING
EASY FREE RETURNS
SECURE PAYMENTS

NEW

WHAT'S YOUR HOBBY?

Blue | Grey | Black | Red


Shop Now

My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.