Brand:
Manufacturer’s Part Number:
SUM-8701-1
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8701-1
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
2,500-6,500
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The Summit Stage 2 drop-in Truck cam makes great mid-range and top-end power. It’s the largest recommended with a stock converter. It has a slight lope depending on idle speed.
Intake Duration at 050 inch Lift:
218
Exhaust Duration at 050 inch Lift:
227
Duration at 050 inch Lift:
218 int./227 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
287
Advertised Duration:
278 int./287 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.523 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.524 in.
Valve Lift with Factory Rocker Arm Ratio:
0.523 int./0.524 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
Yes
Lifters Included:
No
Valve Springs Included:
Yes
Valve Spring Style:
Beehive
Outside Diameter of Outer Spring (in.):
1.290 in.
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
Notes:
Not for AFM or VVT equipped engines. Summit Pro LS cams are designed for engines swapped into pre-pollution controlled vehicles. They are not for use in registered emissions-controlled vehicles operated on public highways and roads. 3-bolt camshaft, computer tuning required.
Summit Racing™ Pro LS camshaft and spring kits are designed for GM LS engines. Each cam kit offers a budget-friendly option without sacrificing quality and performance. They’re available in Stage 1 or 2 performance configurations. Stage 1 kits include the cam and matching drop in beehive springs with seals or optional upgraded dual spring and retainer kit. Stage 2 kits give you an additional cam change gasket kit and a crank bolt. Order the Summit Racing™ Pro LS camshaft kit recommended for your year/make and engine application.
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