About this product
This Howards Cams 258111-09 Ford FE Hydraulic Flat Tappet Big Daddy Rattler Camshaft fits 352-428 cubic inch Big Block engines from 1963-1977. It is great for pro street or street/strip use, and it features a rough idle. A 9.5:1+ compression ratio and a 2800+ stall speed torque converter are highly recommended.
Howards Cams 258111-09 Ford FE Hydraulic Flat Tappet Big Daddy Rattler Camshaft Specs:
- For Big Block Ford FE 352-428 engines from 1963-1977
- Basic RPM Range: 2400 to 5600
- Valve Lift Intake: .548
- Valve Lift Exhaust: .548
- Intake Duration: 297
- Exhaust Duration: 305
- Intake Duration at .050”: 243
- Exhaust Duration at .050”: 251
- Lobe Separation: 109
- Intake Centerline: 103
- Requires adjustable valvetrain
- Firing Order: 1-5-4-2-6-3-7-8
- Made in the USA
Note: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Flat Tappet camshaft for performance on the street and the drag strip.
Howards Hydraulic Flat Tappet 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.
