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Instruction Sheets for Part Number SUM-8723R1
Technical Articles for Part Number SUM-8723R1
Summit Racing™ Pro LS Twin Turbo Camshafts SUM-8723R1
Part Number: SUM-8723R1
Summit Racing™ Pro LS Twin Turbo Camshafts
Stage 4 Pro LS Twin-Turbo Cam. 240/242 Dur., 116+4, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Each
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Overview
Brand:
Manufacturer's Part Number:
SUM-8723R1
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8723R1
UPC:
190861257832
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Turbocharged
Camshaft Manufacturers Description:
The Summit Stage 4 Twin Turbo cam is designed for large Hot-Side Single and Twin-Turbo applications. It trades bottom end and a bit of spool for more top end power. More overlap is allowed which creates a serious lope, but free-flowing exhaust is a must. It is the largest cam that usually works without flycutting. A 3600+ rpm stall converter is recommended.
Basic Operating RPM Range:
3,800-7,300
Intake Duration at 050 inch Lift:
240
Exhaust Duration at 050 inch Lift:
242
Duration at 050 inch Lift:
240 int./242 exh.
Advertised Intake Duration:
289
Advertised Exhaust Duration:
291
Advertised Duration:
289 int./291 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.605 in
Valve Lift with Factory Rocker Arm Ratio:
0.625 int./0.605 exh.
Lobe Separation (degrees):
116
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
The Summit Stage 4 Twin Turbo cam is designed for large Hot-Side Single and Twin-Turbo applications. Camshaft features base circle of 0.713 int./0.725 exh.
Summit Racing™ Pro LS Twin Turbo Camshafts
Summit Racing™ Pro LS T6 single and twin turbo cams have increased overlap from the standard turbo cams to take advantage of the better turbine housing flow. As a result, these cams will increase RPM and work with larger cubic inches better in race applications where an open front exit exhaust is utilized.
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Some parts are not legal for use in California or other states with similar laws / regulations
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