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Technical Articles for Part Number SUM-8708-1DT
Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8708-1DT
Part Number: SUM-8708-1DT
Summit Racing™ Pro LS Camshaft & Spring Kits
Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 280/292, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each
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Kit/Combo Contents
Summit Racing SUM-8708R1 - Summit Racing™ Pro LS Automotive Camshafts
Stage 3 Pro LS Cam 232/242 113+3, .600/.600 Lift, 3-bolt, Excellent Power and Torque, 5.3, 5.7, 6.0, 6.2, 7.0, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9 LS9, Each
Kit Item Quantity: 1
Trick Flow Specialties TFS-2500287P - Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits
Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit
Kit Item Quantity: 1
Overview
Brand:
Manufacturer's Part Number:
SUM-8708-1DT
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8708-1DT
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
3,200-7,000
Camshaft Use:
Racing
Camshaft Manufacturers Description:
The Summit Stage 3 LS cam is a great cam for a weekend warrior. It has a lopey idle, but tunes well with a minimum of difficulty. It uses state-of-the-art lobe designs to pull strongly past 7000 rpm with the Nanopeened Dual springs included.
Intake Duration at 050 inch Lift:
231
Exhaust Duration at 050 inch Lift:
242
Duration at 050 inch Lift:
231 int./242 exh.
Advertised Intake Duration:
280
Advertised Exhaust Duration:
292
Advertised Duration:
280 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.600 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.600 in.
Valve Lift with Factory Rocker Arm Ratio:
0.600 int./0.600 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
Yes
Lifters Included:
No
Valve Springs Included:
Yes
Valve Spring Style:
High lift
Outside Diameter of Outer Spring (in.):
1.304 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:
No
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.
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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