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Vehicle Info NeededRollin' Thunder Hydraulic Roller Camshaft for 1961-1965 Chevy 348/409 W-Series
Ships on Sep 14, 2026
Lowest Price Guarantee- Rollin' Thunder Hydraulic Roller Camshaft
- 1961-1965 Chevy 348/409 W-Series
- Lift: .616''/.628''
- Duration @ .050: 230°/234°
- Advertised Duration: 292°/296°
- 1500-6500 RPM Range
Cam Notes: This camshaft works great when matched with Performer RPM intake manifoldp/n 350-7159, Performer carb p/n 350-1412, and Performer RPM cylinder heads p/n 350-60815;this combo produces 451 HP / 470 ft.-lbs. of torque. Matching Edelbrock roller tappet lifter set p/n 350-97423Open 8° BTDC
Close 42° ABDCExhaust Timing @ .050" Open 54° BBDC
Close 0° ATDCImportant Application Information:
INSTALLATION NOTES:
Rollin Thunder Hydraulic Roller cams are for street high-performance and racingapplications only - not for heavy vehicles. Use with Edelbrock Performer RPM heads(or other aftermarket heads), adjustable valvetrain components, screw-in studs, high performance adjustable rocker arms and at least 9.5:1 compression ratio. Headers,high-energy ignitions, lower-than-stock rear gearing and a high-performance torqueconverter (in auto. transmission equipped vehicles) are necessary.
Do not use dual valve springs. Use recommended valve springs with closed pressure of 120-130 lbs., open pressure of 320-340 lbs, and max lift of .700".
Use only stock ratio rocker arms.
Use with high stall torque converter only.Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
