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COMP Cams K33-602-5 Big Mutha' Thumpr Camshaft K-Kit for Ford 352-428

(Ford Mustang 1967-70, Thunderbird 1963-68, 1972, Galaxie 500 1963-74, Fairlane 1963-70, Torino 1968-69, 1972-76, Galaxie 1963-67 + 30 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K33-602-5
7 reviews
Sale Price

$697.95

Estimated ship date Sunday, November 22

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Product Details

The COMP Cams Big Mutha' Thumpr K33-602-5 is a complete hydraulic flat tappet camshaft kit engineered for Ford FE-series engines (352-428 cubic inch). This aggressive cam delivers a distinctive lope at idle with impressive mid-range to top-end power, making it ideal for street/strip applications where performance and sound are priorities.

Camshaft Specifications:

  • Advertised Duration: 242°/257° (Intake/Exhaust)
  • Duration @ .050": 224°/234°
  • Valve Lift: .533"/.540" (with 1.6 rocker ratio)
  • Lobe Separation Angle: 107°
  • Hydraulic flat tappet design for reliable operation

Complete K-Kit Includes:

  • Big Mutha' Thumpr hydraulic flat tappet camshaft
  • Lifter set matched to camshaft profile
  • High-performance valve springs for proper valve control
  • Steel retainers and valve locks
  • Valve stem seals for oil control
  • Timing chain set for precise valve timing
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

This kit provides everything needed for a complete camshaft upgrade in one package. The Big Mutha' Thumpr profile features increased exhaust duration for that aggressive choppy idle and strong power delivery. Recommended for engines with aftermarket intake, headers, and 9.0:1 minimum compression ratio. Ideal power range: 1,800-5,800 RPM.

Products specifications

Fits

Ford Mustang 1967-70, Thunderbird 1963-68, 1972, Galaxie 500 1963-74, Fairlane 1963-70, Torino 1968-69, 1972-76, Galaxie 1963-67, Gran Torino 1972-76, LTD 1965-76, Custom 1964-72, Custom 500 1964-76, Country Sedan 1963-74 + 25 more models

Advertised Exhaust Duration

312

Advertised Intake Duration

294

Basic Operating RPM Range

2,500-6,400

Cam Type

Hydraulic Flat Tappet

Engine Family

Ford 352-428 c.i. 8 Cylinder (1963-1977)

Exhaust Valve Lift

0.515

Intake Valve Lift

0.531

Exhaust Duration at .050 inch Lift

257

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

AMAZON ASIN

B005H89XGM

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

242

Lifters Included

Yes

LOBE SEPARATION

107

Valve Springs Included

Yes

Usage

Street/Strip

Camshaft Series

Thumpr

They had an item that was somewhat hard to find at a reasonable price. Glad I found them.

Just order the 1108 turn over ball for 2010 Super Duty and received it within (5) days. Just can't wait to put it on and start pulling the trailer with my new diessel.

Good price

Autoplicity is really awesome. They deliver quick and have a great staff to help you out. Give them a chance!

Quick order processing. Excellent customer service when calling to inquire the status of the order.

Excellent price and great customer service. Would do business with them again.

No issues at this time with transaction.

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