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 Cam Motion's renowned smooth cam lobe design that provides quiet valve train operation and excellent upper rpm stability.
Recommended Accessories:
-Cam Motion .660" lift Dual Valve Spring Kit
-Cam Motion 5/16" .080" Wall Hardened Chromoly Pushrods
-Cam Motion High Performance Hydraulic Lifters
Designed for factory style intake & high flow aftermarket long runner intake manifolds.
Emissions Warning
Products sold on this website may not be legal for use on public roads or highways due to Environmental Protection Agency (EPA) restrictions or California Air Resources Board (CARB) emissions regulations. Federal and State regulations may restrict Product installation to pre-emissions regulation (Model Year 1974 or earlier) or to competition/racing vehicles used exclusively in
1) events organized by recognized bodies, authorizing permits for participating drivers.
2) racing event qualification, and3) practice associated with events.
Installation of such products, including driving racing vehicles to and from the track, may be considered illegal “tampering ” or as “defeat device”, and may result in federal and state penalties. It is the purchaser’s responsibility to ensure compliance with all applicable emissions laws, including California’s stricter standards.
Proposition 65 Warning:
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
- Cam Style:
- Hydraulic roller tappet
- Basic Operating RPM Range:
- 3,800-7,000
- Intake Duration at .050 inch Lift:
- 244
- Exhaust Duration at .050 inch Lift:
- 256
- Duration at .050 inch Lift:
- 244 int./256 exh.
- Advertised Intake Duration:
- 299
- Advertised Exhaust Duration:
- 311
- Advertised Duration:
- 299 int./311 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.621 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.604 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.621 int./0.604 exh.
- Lobe Separation (degrees):
- 112
- Computer-Controlled Compatible:
- Yes
- Material:
- Billet Steel
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- XA244/365-XA256/355-12+4
- Camshaft Manufacturers Description:
- Maximum street performance and street strip application in cars using 402-418 cubic inch LS engines equipped with rectangular port, LS3/L99/L92 style heads. Rough idle and explosive midrange and high RPM power.
- Quantity:
- Sold individually.
- Notes:
- Designed for use with Rectangle Port or Cathedral Port heads
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-6.2L/376
- Years:
- 1997-2017
