4-Pattern 241/251 H-Rlr Cam BBC 396-454

Camshaft - 4-Pattern - Hydraulic Roller - Lift Int 0.678 / 0.677 in - Exh 0.661 / 0.661 in - Duration Int 295 / 293 - Exh 307 / 305 - 110.5 / 109.5 LSA - Big Block Chevy - Each. Hydraulic Roller: 4-Pattern 293QIO10 - Great in street/strip 454-502c.i.d. engines with good heads and 9.5:1+ compression: 3000+ Stall or manual transmissions. Usage: Street/Performance. Cam Type: Hydraulic Roller. Grind Number: 293QIO10. Basic Operating RPM Range: 2900-7,200. Camshaft Series: 4-Pattern. Inboard Intake Duration at .050 Inch Lift: 241. Outboard Intake Duration at .050 Inch Lift: 243. Inboard Exhaust Duration at .050 inch Lift: 251. Outboard Exhaust Duration at .050 inch Lift: 253. Advertised Inboard Intake Duration: 293. Advertised Outboard Intake Duration: 295. Advertised Inboard Exhaust Duration: 305. Advertised Outboard Exhaust Duration: 307. Inboard Intake Valve Lift: 0.677. Outboard Intake Valve Lift: 0.678. Inboard Exhaust Valve Lift: 0.661. Outboard Exhaust Valve Lift: 0.661. Lifters Included: No. Valve Springs Required: Yes. Assembly Lubricant Included: No. Camshaft Gear Attachment: 3-Bolt. Camshaft Material: Billet Steel. Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996). Lifter Type: Hydraulic Roller. Amazon ASIN: B00CWZVVGS. 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. 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. Grind Number: 293QIO10.