Description
This Howards Cams CL514635-10 Oldsmobile Retro-Fit 4/7 Swap Hydraulic Roller Camshaft and Lifter Kit fits 260-455 cubic inch Oldsmobile engines from 1967-1990. Howards designed this cam for street/strip use, and it features s rong mid-range torque & horsepower with a rough idle. A 9.5:1+ compression ratio, lower rear end gears and a 2600+ stall speed torque converter are highly recommended.
4/7 Swap camshafts change the firing order to create even more power!
Howards Cams CL514635-10 Oldsmobile Hydraulic Roller Camshaft and Lifter Kit Specs:
- Ignition Firing Order Must Be Changed To: 1-8-7-3-6-5-4-2
- For Oldsmobile 260-455 engines from 1967-1990
- Includes Camshaft 514635-10 and Lifter Set 91464
- Basic RPM Range: 2200 to 6600
- Valve Lift Intake: .581
- Valve Lift Exhaust: .581
- Intake Duration: 288
- Exhaust Duration: 294
- Intake Duration at .050”: 235
- Exhaust Duration at .050”: 241
- Lobe Separation: 110
- Intake Centerline: 106
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Hydraulic Roller camshaft for high performance on the street and on the drag strip.
Howards Hydraulic Roller Cams – From mild to wild, they are the ultimate in performance!
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