Summit Racing™ Pro LS Turbo Camshafts SUM-8716R1

Brand:
Summit Racing
Manufacturer’s Part Number:
SUM-8716R1
Part Type:
Camshafts
Product Line:
Summit Racing™ Pro LS Turbo Camshafts
Summit Racing Part Number:
SUM-8716R1
UPC:
190861251533
Cam Style:
Hydraulic roller tappet
Camshaft Use:
Racing
Camshaft Manufacturers Description:
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.
Basic Operating RPM Range:
3,000-7,000
Intake Duration at 050 inch Lift:
232
Exhaust Duration at 050 inch Lift:
234
Duration at 050 inch Lift:
232 int./234 exh.
Advertised Intake Duration:
281
Advertised Exhaust Duration:
286
Advertised Duration:
281 int./286 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.600 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.575 in.
Valve Lift with Factory Rocker Arm Ratio:
0.600 int./0.575 exh.
Lobe Separation (degrees):
115
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
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. Camshaft features base circle of 0.720 int./0.735 exh.

Summit Racing™ Pro LS Turbo Camshafts

Summit Racing™ Pro LS Turbo cams are affordable and specifically designed to optimize cam timing with turbochargers. The lobes are stable up to 7,000-plus rpm with the exhaust lobes opening softly against high cylinder pressure for reduced stress on the valvetrain. Overlap has also been reduced in order to prevent reversion, which is typically seen with higher turbine inlet pressures. They come in distinct stages that give you the idle, spool, and power characteristics that match your engine and turbocharger. Starting with American bearing steel, they are precision machined on a Landis 3LB CNC grinder with CBN diamond wheels for unmatched quality. The lobes have been designed for stability at high rpm with the spring pressures found in commonly available quality spring packs.

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