Advertised Exhaust Duration

:

303

Advertised Intake Duration

:

283

Amazon Asin

:

N/A

Assembly Lubricant Included

:

No

Basic Operating Rpm Range

:

1,900-5,600

C.a.r.b. E.o. Number

:

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.

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

California Proposition 65

:

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

Cam And Lifter Kit Upgrade

:

CL33-600-11

Cam Type

:

Hydraulic Roller

Camshaft Gear Attachment

:

1-Bolt

Camshaft Material

:

Billet Steel

Camshaft Series

:

Thumpr

Engine Family

:

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

Exhaust Duration At .050 Inch Lift

:

241

Exhaust Valve Lift

:

0.539

Grind Number

:

283THR7

Intake Duration At .050 Inch Lift

:

227

Intake Valve Lift

:

0.557

K-kit Upgrade

:

K33-600-11

Lifter Type

:

Hydraulic Roller

Lifters Included

:

No

Lobe Separation

:

107

Title

:

Thumpr 227/241 Hydraulic Roller Cam for Ford 352-428

Usage

:

Street/Performance

Valve Springs Required

:

Yes