Description
This Howards Cams CL414645-10 Pontiac Retro-Fit 4/7 Swap Hydraulic Roller Camshaft and Lifter Kit fits 265-455 cubic inch Pontiac engines from 1955-1981. Howards designed this cam for street/strip use, and it features a broad low to mid-range power band and a nice idle. A 9.0:1+ compression ratio, lower rear end gears and a 1800+ stall speed torque converter are highly recommended.
4/7 Swap camshafts change the firing order to create even more power!
Howards Cams CL414645-10 Pontiac Hydraulic Roller Camshaft and Lifter Kit Specs:
- Ignition Firing Order Must Be Changed To: 1-8-7-3-6-5-4-2
- For Pontiac 265-455 engines from 1955-1981
- Includes Camshaft 414645-10 and Lifter Set 91466
- Basic RPM Range: 1400 to 5600
- Valve Lift Intake: .485
- Valve Lift Exhaust: .475
- Intake Duration: 266
- Exhaust Duration: 274
- Intake Duration at .050”: 213
- Exhaust Duration at .050”: 221
- 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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