Advertised Exhaust Duration

:

304

Advertised Intake Duration

:

286

Amazon Asin

:

B005H89WQ8

Assembly Lubricant Included

:

Yes

Basic Operating Rpm Range

:

2,000-5,500

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 Gear Attachment

:

3-Bolt

Camshaft Material

:

Cast Iron

Camshaft Series

:

Classic Thumpr

Engine Family

:

Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)

Exhaust Duration At .050 Inch Lift

:

249

Exhaust Valve Lift

:

0.509

Grind Number

:

287TH7

Intake Duration At .050 Inch Lift

:

234

Intake Valve Lift

:

0.525

Lifter Type

:

Hydraulic Flat Tappet

Lifters Included

:

No

Lobe Separation

:

107

Title

:

Classic Mutha' Thumpr 234/249 Hydraulic Flat Cam for Chevrolet 348-409

Valve Springs Required

:

Yes