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COMP Cams K11-602-4 Thumpr Hydraulic Flat Camshaft K-Kit for Chevy Big Block 396-454

(Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74 + 106 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K11-602-4
5 reviews
Sale Price

$744.95

In Stock (10+)

delivery box

Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The COMP Cams K11-602-4 Thumpr K-Kit is a complete camshaft package designed for Chevrolet Big Block engines (396-454 cubic inch). This hydraulic flat tappet camshaft features aggressive 243°/257° advertised duration specs that deliver the signature Thumpr idle sound and strong mid-range torque characteristics perfect for street performance applications.

Complete K-Kit Includes Everything You Need:

  • Hydraulic flat tappet camshaft with Thumpr performance grind
  • Hydraulic lifters engineered to match cam profile
  • High-performance valve springs for proper valve control
  • Valve spring retainers and locks
  • Valve stem seals for oil control
  • Timing chain set for precise cam timing
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

The Thumpr series is designed to deliver that distinctive loping idle and aggressive exhaust note enthusiasts love, while maintaining good street manners and strong low-to-mid range power. This complete kit eliminates the guesswork by including all matched components needed for a successful camshaft installation in your big block Chevrolet engine.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74, C10 Pickup 1968-80, Caprice 1966-76, C10 1975-81, El Camino 1966-75, Monte Carlo 1970-75 + 101 more models

Advertised Intake Duration

295

Basic Operating RPM Range

2,300-6,200

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.522

Exhaust Valve Lift

0.507

Intake Duration at .050 Inch Lift

243

Exhaust Duration at .050 inch Lift

257

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B001S1QY6Y

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

Camshaft Gear Attachment

3-Bolt

Lifters Included

Yes

LOBE SEPARATION

107

Valve Springs Included

Yes

Usage

Street/Strip

Advertised Exhaust Duration

313

Camshaft Series

Thumpr

Engine Family

Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

Prices were good and the order shipped promptly. The email notice of shipment was a little late. It came after the order had arrived.

Product delivered as expected within 4 days. Lowest price on the web. No complaints.

Looking forward to receiving

This was an easy transaction, keep me notified thoughout the entire shipment. Price is what got my attention in the first place. I will be back for future needs.

Nobody else had part in stock. Instant shipping and a good price. Will do business again!

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