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Instruction Sheets for Part Number SUM-8723-1-DLSTL
Technical Articles for Part Number SUM-8723-1-DLSTL
Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8723-1-DLSTL
Part Number: SUM-8723-1-DLSTL
Summit Racing™ Pro LS Camshaft & Spring Kits
SUM-8723 Level 1 Cam kit, Dual Springs, St. Ret., 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
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Kit/Combo Contents
Summit Racing™ Pro LS Twin Turbo Camshafts SUM-8723R1
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
Kit Item Quantity: 1
Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500286P
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Kit Item Quantity: 1
Overview
Brand:
Manufacturer's Part Number:
SUM-8723-1-DLSTL
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8723-1-DLSTL
Item Number:
7209352
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
3,800-7,300
Camshaft Use:
Racing
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.
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
Computer-Controlled Compatible:
Yes
Lifters Included:
No
Valve Springs Included:
Yes
Valve Spring Style:
Standard
Outside Diameter of Outer Spring (in.):
1.290 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
Yes
Valve Springs Required:
Yes
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. 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 & Spring Kits
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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