Advertised Exhaust Duration

:

297

Advertised Intake Duration

:

279

Amazon Asin

:

B0046ZEFGU

Assembly Lubricant Included

:

Yes

Basic Operating Rpm Range

:

2,000-5,800

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 Type

:

Hydraulic Flat Tappet

Camshaft Material

:

Cast Iron

Camshaft Series

:

Thumpr

Engine Family

:

Pontiac 265-455 C.I. 8 Cylinder (1955-1981)

Exhaust Duration At .050 Inch Lift

:

241

Exhaust Valve Lift

:

0.465

Gaskets Included

:

No

Intake Duration At .050 Inch Lift

:

227

Intake Valve Lift

:

0.478

Kit Type

:

K-Kit - Complete Kit

Lifter Type

:

Hydraulic Flat Tappet

Lifters Included

:

Yes

Lobe Separation

:

107

Title

:

Thumpr 227/241 Hydraulic Flat Cam K-Kit for Pontiac 265-455

Usage

:

Street/Performance

Valve Springs Included

:

Yes