COMP Cams 12-521-5 - Camshaft CS 41/15 H6
Camshaft - Low Lift Oval Track - Hydraulic Flat Tappet - Lift 0.420 / 0.420 in - Duration 297 / 299 - 106 LSA - 3000 / 6000 RPM - Small Block Chevy - Each
.420" lift rules. Rough idle. Low vacuum, under 10".
under 10" 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for Roller lifters. Most '87 - '93 GM cars came with Roller lifters, but most '87 - '95 trucks came with flat tappet lifters in Roller lifter style blocks. If a Roller Cam is desired and your block has OEM-style Roller Cam provisions. COMP Hydraulic Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased, as well as a '87+ OE-Style Hydraulic Roller Cam.
Camshaft Series: Low Lift Oval Track
Usage: Strip
Cam Type: Hydraulic Flat Tappet
Grind Number: 41/15 H-6
Basic Operating RPM Range: 3,000-6,000
Intake Duration at .050 Inch Lift: 246
Exhaust Duration at .050 inch Lift: 250
Advertised Intake Duration: 297
Advertised Exhaust Duration: 299
Lobe Separation: 106
Intake Valve Lift: 0.42
Exhaust Valve Lift: 0.42
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 3-Bolt
Lifter Type: Hydraulic Flat Tappet
Amazon ASIN: B000CESFL0
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Camshaft Material: Cast Iron
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: 41/15 H-6
