Oldsmobile Hydraulic Flat Tappet
In stock
Only 1 left
SKU
56919
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 4 - Ultra Beast - Upper mid-range to top end power. Emphasis on top end.
INT/EXH - Dur @ .050” Lift: 234°/244° RR: 1.6/1.6 Gross Lift: .520”/.542” LSA: 112° RPM: 2000 to 4800 Redline: 5300
Performance level 4 - Ultra Beast - Upper mid-range to top end power. Emphasis on top end.
INT/EXH - Dur @ .050” Lift: 234°/244° RR: 1.6/1.6 Gross Lift: .520”/.542” LSA: 112° RPM: 2000 to 4800 Redline: 5300
$250.97
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Part Number
56919
Engine Make
Oldsmobile
Year
1967-up
Part Class
Camshaft
Camshaft Name
Ultra Beast
Camshaft Series
Beast
Engine Type
V8
Engine Size
260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Product Type
Hydraulic Flat Tappet
Valve Lash
.000" intake and .000" exhaust
Lobe center
112
Advertised Duration: Intake / Exhaust
304/316
Duration @ .050" Lift: Intake / Exhaust
234/244
Lobe Lift: Intake / Exhaust
.325/.339
Rocker Ratio: Intake / Exhaust
1.6/1.6
Gross Valve Lift: Intake / Exhaust
.520/.542
CID
455
Performance Level
4
Low RPM
2000
Peak HP
4800
Redline
6200
Performance Description
Upper mid-range to top end power. Emphasis on top end.
Engine Application
Level 4 camshafts are designed for heavily modified engines. They have a definate lope at idle and are best suited for dual purpose hot street/drag strip, hot marine and oval track applications.
Recommended Modifications
Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above is required. Cylinder head modifications would be beneficial. Use with automatic transmission with high stall torque converter or manual transmission. Close attention to proper ring and pinion gear set and tire diameter is imperative.
Grind Number
304H
Recommended Kit #1
84057
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