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Technical Articles for Part Number SUM-K8707R1
Summit Racing™ Pro LS Camshaft and Lifter kits
Cam and Lifter kit, Stage 2 Pro LS Cam. 226/238 113+3, .600/.600 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1,2,3,6,7, LSA LQ4 LQ9 LS9 LS4 LY6
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Kit/Combo Contents
Summit Racing SUM-150132-4 - Summit Racing™ Lifter Guides
Lifter Guide, Hydraulic Roller Style, Plastic, Chevy, LS, Non AFM/DOD Engines, Set of 4
Kit Item Quantity: 1
Summit Racing SUM-8707R1 - Summit Racing™ Pro LS Automotive Camshafts
Stage 2 Pro LS Cam. 226/238 113+3, .600/.600 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck LS1 LS2 LS6 LS3 LS7 LSA LQ4 LQ9 LS9 LS4 LY6
Kit Item Quantity: 1
Summit Racing SUM-HT215-16 - Summit Racing™ Performance LS7 Hydraulic Lifters
Lifters, Hydraulic Roller, 0.842 in O.D., Not for AFM-equipped Engines, Chevy, LS7, Delphi, Set of 16
Kit Item Quantity: 1
Overview
Brand:
Manufacturer's Part Number:
SUM-K8707R1
Part Type:
Product Line:
Summit Racing Part Number:
SUM-K8707R1
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
3,000-7,000
Camshaft Use:
Racing
Camshaft Manufacturers Description:
Not intended for use with VVT or AFM. The Summit Stage 2 LS cam is the biggest cam for a daily driver. It has a steady lope and tunes well with a minimum of hassle. It uses state-of-the-art cam lobe designs to pull strongly to 7000 rpm with as little as 150 lbs. of seat pressure.
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
238
Duration at 050 inch Lift:
226 int./238 exh.
Advertised Intake Duration:
275
Advertised Exhaust Duration:
287
Advertised Duration:
275 int./287 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:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Notes:
Not intended for use with VVT or AFM. The Summit Stage 2 LS cam is the biggest cam for a daily driver. It has a steady lope and tunes well with a minimum of hassle. It uses state-of-the-art cam lobe designs to pull strongly to 7000 rpm with as little as 150 lbs. of seat pressure. Camshaft features base circle of 0.720 int./0.720 exh.
Summit Racing™ Pro LS Camshaft and Lifter kits
You won't find a better quality cam for your LS-based engine than our Summit Racing™ Pro LS series of cams. These convenient combo kits enable you to get the cam along with the correct matching lifters. Pro LS cam, lifters, and trays are included in one easy-to-order part number. Whether for street/strip, turbocharged, or racing use, you'll find the kit recommended for your year/make and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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