Advertised Inboard Exhaust Duration

:

317

Advertised Inboard Intake Duration

:

305

Advertised Outboard Exhaust Duration

:

319

Advertised Outboard Intake Duration

:

307

Amazon Asin

:

B00CWZVB2C

Assembly Lubricant Included

:

No

Basic Operating Rpm Range

:

3300-7,500

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 Roller

Camshaft Gear Attachment

:

3-Bolt

Camshaft Material

:

Billet Steel

Camshaft Series

:

4-Pattern

Engine Family

:

Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

Grind Number

:

305QIO8

Inboard Exhaust Duration At .050 Inch Lift

:

263

Inboard Exhaust Valve Lift

:

0.622

Inboard Intake Duration At .050 Inch Lift

:

253

Inboard Intake Valve Lift

:

0.638

Lifter Type

:

Hydraulic Roller

Lifters Included

:

No

Outboard Exhaust Duration At .050 Inch Lift

:

265

Outboard Exhaust Valve Lift

:

0.622

Outboard Intake Duration At .050 Inch Lift

:

255

Outboard Intake Valve Lift

:

0.638

Title

:

4-Pattern 253/263 IB, 255/265 OB Hydraulic Roller Cam for Chevrolet Small Block

Usage

:

Street/Strip

Valve Springs Required

:

Yes