4-Pattern 258/268 IB, 260/270 OB Hydraulic Roller Cam for Chevrolet Small Block

Description

Additional Attributes:

GTIN: 00036584259688
Advertised Inboard Exhaust Duration: 323
Advertised Inboard Intake Duration: 311
Advertised Outboard Exhaust Duration: 325
Advertised Outboard Intake Duration: 313
Amazon ASIN: B00CWZUWVI
Assembly Lubricant Included: No
Basic Operating RPM Range: 3200-7,500
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 Small Base Circle
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Grind Number: 311QS10
Inboard Exhaust Duration at .050 inch Lift: 268
Inboard Exhaust Valve Lift: 0.621
Inboard Intake Duration at .050 Inch Lift: 258
Inboard Intake Valve Lift: 0.637
Lifter Type: Hydraulic Roller
Lifters Included: No
Outboard Exhaust Duration at .050 inch Lift: 270
Outboard Exhaust Valve Lift: 0.621
Outboard Intake Duration at .050 Inch Lift: 260
Outboard Intake Valve Lift: 0.637
Usage: Street/Strip
Valve Springs Required: Yes