Howards Cams, Rattler Cams Hydraulic Flat Tappet Camshaft, Ford FE 352-428 |
| Item Number: HRC258021-09 |
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Howards Cams Rattler Cams Hydraulic Flat Tappet Camshaft
Rattler cams are for street enthusiasts who want the classic exhaust sound but also want true performance to go with it. They give you the performance and the throttle response you expect for a performance cam. Advance lobe design and years of design experience is the difference. Don't let the others fool you. Sound is not everything. If you want both sound and performance, you need a Howards Cams Rattler. The best of both worlds.
Note: to get the best exhaust system without a cross-over. A cross-over will add minor performance, but mellow the exhaust tone.
Part Type: Camshaft
Cam Series: Rattler Cams
Application: Ford FE 352-428 1963-77
Ignition Firing Order: (1-5-4-2-6-3-7-8)
Cam Style: Hydraulic Flat Tappet Camshaft
Basic RPM Range: 1800-5200
Manufacturers Description: Rattler, choppy idle, high performance street, stock converter ok, best with 1800+ and gears.
Intake Duration @ .050": 227
Exhaust Duration @ .050": 235
Advertised Intake Duration (@ .050"): 281
Advertised Exhaust Duration (@ .050"): 289
Intake Valve Lift with OE Rocker Ratio (1.75): .548"
Exhaust Valve Lift with OE Rocker Ratio (1.75): .548"
Intake Lobe Lift: .313"
Exhaust Lobe Lift: .313"
Intake Valve Lift with 1.70 Rocker Ratio: .532"
Intake Valve Lift with 1.80 Rocker Ratio: .564"
Exhaust Valve Lift with 1.70 Rocker Ratio: .532"
Exhaust Valve Lift with 1.80 Rocker Ratio: .564"
Lobe Separation Angle: 109 Degrees
Intake Centerline: 103 Degrees
Small Base Circle: No
Lifters Included: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus 1/2 Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 258021-09
Weight: 14.0 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Each
Note: Stock (O.E.) valve springs cannot be used.
Note: Requires adjustable valvetrain. |
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