Edelbrock Rollin' Thunder Camshaft for 1997-04 LS1/LS6 (Gen III)

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Edelbrock Rollin' Thunder camshaft #2218 is designed for LS1/LS6 Gen III Chevy's from 1997-04 and produces optimum torque from the low-end to the mid-range.
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Edelbrock Rollin' Thunder Camshaft #2218 is designed for LS1/LS6 Gen III Chevy's from 1997-04 and produces optimum torque from the low-end to the mid-range. Rollin' Thunder camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. They are smooth idling cams for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 494HP and 439 Ft Lbs of Torque when paired with E-CNC 215 cylinder heads #79949. Must use a high stall torque converter only. Will not work with stock valve springs. Camshaft specifications: - Intake duration: 207 Degrees - Exhaust duration: 220 Degrees - Intake lift: .573" - Exhaust lift: .580" - Lobe separation: 118 Degree - Intake Center Line: 119.5 Degree - Vacuum: 16"

Documents & Installation Notes


Manufacturer Edelbrock
Application Application Specific
UPC 00085347022182
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.580 in
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.580 in
Computer Controlled Compatible Yes
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Compression ratio of at least 9.5:1; Adjustable valvetrain required; For street high-performance and racing applications only; Lower than stock rear gearing; High performance torque converter (in automatic transmission equipped vehicles) are necessary.; Please be advised that an improper installation may result in LOW MILEAGE, POOR PERFORMANCE, and COSTLY REINSTALLATION AND EVEN ENGINE DAMAGE. Installing a camshaft is a complex procedure. Please follow these instructions carefully. Failure to do so may void your warranty.
Advertised Exhaust Duration 220 deg
Advertised Intake Duration 207 deg
Cam Type Roller
Exhaust Duration at .050 inch Lift 220 deg
Exhaust Valve Lift 0.341 in
Intake Duration at .050 Inch Lift 207 deg
Intake Valve Lift 0.337 in
Intake Valve Lift with Factory Rocker Arm Ratio 0.573 in
Lifter Type Roller
Lobe Separation 118 deg