About this product
This Howards Cams 248001-09 BBF Hydraulic Flat Tappet Rattler Camshaft fits the 429-460 Big Block Ford from 1968-1995. Howards designed this cam for high performance street use, and it features a choppy idle. A 9.5:1 or higher compression ratio, gears, and a 2200+ stall speed torque converter are highly recommended.
Howards Cams 248001-09 BBF Hydraulic Flat Tappet Rattler Camshaft Specs:
- For 429-460 cubic inch Big Block Ford engines from 1968-1995
- Basic RPM Range: 1800 to 5200
- Valve Lift Intake: .554
- Valve Lift Exhaust: .562
- Intake Duration: 281
- Exhaust Duration: 289
- Intake Duration at .050”: 227
- Exhaust Duration at .050”: 235
- Lobe Separation: 109
- Intake Centerline: 103
- Firing Order: 1-5-4-2-6-3-7-8
- Recommended Lifter Set: 91211 Performance
- Recommended Premium Lifter Set: 91212 Max Effort
- Recommended Valve Springs: 98511
- Recommended Valve Spring, Retainer and Lock Kit: 98511-K12
- Made in the USA
Notes: Stock (O.E.) valve springs can NOT be used.
Howards Cams designed this Hydraulic Flat Tappet camshaft for high performance on the street.
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.






