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Technical Articles for Part Number HRS-198135-09
Howards Cams Big Daddy Rattler Camshafts 198135-09
Part Number: HRS-198135-09
Howards Cams Big Daddy Rattler Camshafts
Camshaft, Big Daddy Rattler, LS-Series, Hydraulic/OE Roller, 3 Bolt, Street/Strip, Lopey Idle, 290/297 Duration, 0.625 in. Lift, 103 Centerline, Each
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Estimated Ship Date from OH, GA, TX: Tomorrow Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
198135-09
Part Type:
Product Line:
Summit Racing Part Number:
HRS-198135-09
UPC:
840793133673
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Rough idle, pro street or street/strip. Needs 9.5:1+ compression and 2800+ stall converter.
Basic Operating RPM Range:
2,400-6,800
Intake Duration at 050 inch Lift:
242
Exhaust Duration at 050 inch Lift:
250
Duration at 050 inch Lift:
242 int./250 exh.
Advertised Intake Duration:
290
Advertised Exhaust Duration:
297
Advertised Duration:
290 int./297 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Valve Lift with Factory Rocker Arm Ratio:
0.625 int./0.625 exh.
Lobe Separation (degrees):
109
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Howards Cams Big Daddy Rattler Camshafts
Howards Cams Big Daddy Rattler camshafts are street performance cams designed to give a nice aggressive-sounding idle without sacrificing throttle response and horsepower gains. Big Daddy camshafts are top dog in the Rattler lineup, and as such they offer a rough idle, and are best used in Pro Street or street/strip applications. Compression needs to be at least 9.5:1, the torque converter needs to stall 2,800 rpm or higher, and a performance intake manifold, steeper gears, and free-flowing exhaust are required to take advantage of the camshaft's capabilities.
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Some parts are not legal for use in California or other states with similar laws / regulations
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