My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams K20-600-4 Thumpr Hydraulic Flat Cam K-Kit For Chrysler Engine Camshaft Kit - 273-360

(Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Dodge Durango 1998-2002, Ram 2500 1994-2002, Ram 1500 1994-2002, Dakota 1989-2002 + 134 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K20-600-4
6 reviews
Sale Price

$743.95

2 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams K20-600-4 Thumpr K-Kit is a complete camshaft installation package designed for Chrysler small-block V8 engines (273-360 cubic inch). This hydraulic flat tappet camshaft delivers an aggressive 227/241 duration profile that produces the signature Thumpr idle sound along with excellent mid-range torque and horsepower gains.

Complete K-Kit Includes Everything You Need:

  • Thumpr hydraulic flat tappet camshaft with 227/241 duration specifications
  • Hydraulic lifter set matched to camshaft profile
  • High-performance valve springs engineered for proper valve control
  • Valve spring retainers and locks for secure valve train operation
  • Valve stem seals to prevent oil consumption
  • Timing chain set for synchronized cam-to-crank operation
  • Assembly lube to ensure proper break-in protection
  • Installation instructions and COMP Cams decals

The Thumpr series is specifically designed for street performance applications where aggressive sound and strong acceleration are desired. This complete kit eliminates the guesswork of matching individual components, ensuring proper valve train geometry and optimal performance. Ideal for muscle car restorations, street rods, and weekend cruisers with Chrysler small-block engines including 318, 340, and 360 cubic inch variants.

Products specifications

Fits

Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Dodge Durango 1998-2002, Ram 2500 1994-2002, Ram 1500 1994-2002, Dakota 1989-2002, Charger 1966-78, Challenger 1970-74, Ram 3500 1994-2002, Dart 1964-77, 1980-82 + 130 more models

Advertised Exhaust Duration

297

Advertised Intake Duration

279

Basic Operating RPM Range

2,000-5,800

Cam Type

Hydraulic Flat Tappet

Engine Family

Chrysler 273-360 c.i. 8 Cylinder (1964-2002)

Exhaust Valve Lift

0.473

Intake Valve Lift

0.486

Exhaust Duration at .050 inch Lift

241

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B001S1W1HU

Usage

Street/Performance

Assembly Lubricant Included

Yes

Lifter Type

Hydraulic Flat Tappet

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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. 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.

Gaskets Included

No

Intake Duration at .050 Inch Lift

227

Lifters Included

Yes

LOBE SEPARATION

107

Valve Springs Included

Yes

Camshaft Series

Thumpr

Best price. Received confirmation of shipment two days after placing order. Hoping to see product soon.

I ordered the wrong product and they have been very helpful in letting me exchange it for th right one

Very happy with the ease of the sale. Price was the cheapest around also. Thanks Autoplicity!

Best price I was able to find anywhere, very please with my product

I spoke with the owner, awesome dude, told me he gets prices NOBODY else can! I just got notification that my items are shipping, so, I cannot review the actual product yet....but as far as pricing goes and communications....excellent! You gotta check this place out!! Jas. (&thanks for the extra incentives!!)

Super fast shipping, in stock, good pricing. Very happy with this order.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy