Grind # XA248/365-XA256/355-12+4
Maximum Street Performance / Street-Strip
Duration at .050: 248/256
112 Lobe Center Angle with a 108 Intake Centerline
Lift with 1.7 Rocker Arm Ratio: .621"/.604"
Recommended Displacement: 402-418 Cubic Inch Engines
Cylinder Heads: Cathedral Port
Recommended Compression Ratio: 11.0-12.0:1
Recommended Headers: 1 7/8"
Recommended Stall Converter: 3400-5000
Recommended Rear Axle Ratio: 3.73-4.30
*Designed for factory style intake & high flow aftermarket long runner intake manifolds.
The Street King Stroker - Cathedral Port camshaft is designed for maximum street performance and street-strip application in cars using 402-418 cubic inch LS engines equipped with Cathedral port, LS1 style heads. The Street King Stroker will have a rough idle and explosive midrange and high RPM power. This camshaft is designed for the enthusiast who wants the most aggressive camshaft for maximum power from their street driven stroker engine. This camshaft requires intake and exhaust modifications for maximum flow. Headers, high flow exhaust, intake system upgrades, increased stall speed torque converter and increased rear axle ratios are required to achieve maximum performance.
The Street King Stroker cam is designed with our renowned smooth cam lobe design that provides quiet valve train operation and excellent upper rpm stability. Cam Motion offers this cam in 5150, 8660 and our top of the line 8620 camshaft cores. You can read more about our cam cores here > Cam Motion's cam cores
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NOTE: A low lash solid roller version of this camshaft is also available and may be an excellent upgrade for this application.