About this product
This Howards Cams CL518061-09 Oldsmobile Hydraulic Flat Tappet Big Mama Rattler Camshaft and Lifter Kit fits 260-455 cubic inch Oldsmobile engines from 1967-1990. Howards designed this cam for street or street/strip use, and it features good low & mid-range power and a lopey idle. A 9.0:1+ compression ratio, lower rear end gears and a 2400+ stall speed torque converter are highly recommended.
Howards Cams CL518061-09 Oldsmobile Hydraulic Flat Tappet Big Mama Rattler Camshaft and Lifter Kit Specs:
- For Oldsmobile 260-455 engines from 1967-1990
- Includes Camshaft 518061-09 and Lifter Set 91411
- Basic RPM Range: 2000 to 5400
- Valve Lift Intake: .501
- Valve Lift Exhaust: .480
- Intake Duration: 289
- Exhaust Duration: 297
- Intake Duration at .050”: 235
- Exhaust Duration at .050”: 243
- Lobe Separation: 109
- Intake Centerline: 103
- Firing Order: 1-8-4-3-6-5-7-2
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Flat Tappet Hydraulic camshaft for high performance on the street and on the drag strip.
Howards Flat Tappet Hydraulic Cams – From mild to wild, they are the ultimate in performance!
Description supplied by Winners Circle through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
