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COMP Cams 48-601-5 Classic Mutha' Thumpr Hydraulic Flat Tappet Camshaft 234/249 Chevrolet 348-409

Manufacturer

Picture for manufacturer COMP Cams

Part Number

48-601-5
7 reviews
Sale Price

$325.95

Estimated ship date Thursday, October 22

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Product Details

The COMP Cams 48-601-5 Classic Mutha' Thumpr camshaft delivers aggressive idle sound and strong performance for Chevrolet 348-409 big block engines. This hydraulic flat tappet camshaft features 234 degrees of intake duration and 249 degrees of exhaust duration at 0.050-inch lift, creating the distinctive loping idle that enthusiasts crave while maintaining excellent drivability.

Key Specifications:

  • Intake Duration: 234 degrees @ 0.050-inch
  • Exhaust Duration: 249 degrees @ 0.050-inch
  • Hydraulic flat tappet design for reliable operation
  • Engineered specifically for Chevrolet 348-409 cubic inch engines
  • Part of COMP Cams' legendary Thumpr series

Features & Benefits:

  • Produces aggressive, powerful idle tone with strong vacuum characteristics
  • Ideal for street performance and classic muscle car builds
  • Designed to work with stock or aftermarket valve springs and components
  • Precision ground on state-of-the-art equipment for optimal performance
  • Backed by COMP Cams' engineering expertise and quality standards

This camshaft is perfect for enthusiasts building a vintage Chevrolet big block who want that classic hot rod sound combined with street-friendly manners. The Mutha' Thumpr profile provides excellent throttle response and mid-range power while delivering the unmistakable exhaust note that turns heads.

Products specifications

Advertised Exhaust Duration

304

Advertised Intake Duration

286

Basic Operating RPM Range

2,000-5,500

Grind Number

287TH7

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.509

Intake Valve Lift

0.525

Exhaust Duration at .050 inch Lift

249

Camshaft Material

Cast Iron

Engine Family

Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)

Camshaft Series

Classic Thumpr

AMAZON ASIN

B005H89WQ8

Assembly Lubricant Included

Yes

Lifters Included

No

Valve Springs Required

Yes

Lifter Type

Hydraulic Flat Tappet

California Proposition 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. E.O. Number

N/A

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

No

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exemption Reason

N/A

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Camshaft Gear Attachment

3-Bolt

Intake Duration at .050 Inch Lift

234

LOBE SEPARATION

107

Great seller. I ordered a banks intake system for my 2001 silverado and I recieved exactly what I ordered. I'm very happy with this seller as a matter of fact I would be ordering my exhaust system from them. Besides they had the best price

Great Transaction. Easy to use website. Nice experience. Free candy is nice,, too.

Excellent Service! Product shipped out the day after being processed and was sent via overnight delivery. Autoplicity also offered the lowest cost available for the product online.

Quick and easy to navigate

This is the first time I've ordered from this site, but things look good from what I can tell so far. They had the parts I was looking for (including a fairly specialized racing part) for a price slightly lower than other places I had looked, and my order shipped the next business day. At the time I wrote this, they were also offering $5 back on my order for writing a review. ;-)

Purchased a K&N air filter for a Kawasaki motorcycle on a Saturday and received it on Wednesday...pretty quick shipping!

Super fast shipping,lowest price I could find, will buy from again.

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