Recommended in highly modified 420+ c.i. stroker applications with higher compression. 3500+ Stall.
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. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Camshaft Series: 4-Pattern (.900" Base Circle)
Usage: Street/Strip
Cam Type: Hydraulic Roller
Grind Number: 311QS10
Basic Operating RPM Range: 3200-7,500
Inboard Intake Duration at .050 Inch Lift: 258
Outboard Intake Duration at .050 Inch Lift: 260
Inboard Exhaust Duration at .050 inch Lift: 268
Outboard Exhaust Duration at .050 inch Lift: 270
Advertised Inboard Intake Duration: 311
Advertised Outboard Intake Duration: 313
Advertised Inboard Exhaust Duration: 323
Advertised Outboard Exhaust Duration: 325
Inboard Intake Valve Lift: 0.637
Outboard Intake Valve Lift: 0.637
Inboard Exhaust Valve Lift: 0.621
Outboard Exhaust Valve Lift: 0.621
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Lifter Type: Hydraulic Roller
Amazon ASIN: N/A
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. 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 California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.