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Charts & Guides for Part Number SUM-8768
Summit Racing Equipment® Pro LT Hydraulic Roller Cams SUM-8768
Part Number: SUM-8768
Summit Racing Equipment® Pro LT Hydraulic Roller Cams
Gen. V Pro LT Cam S.P. 4, 234/252 Duration, 112 LSA + 5 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Delete, AFM Delete, SUM-174014BP-16 springs
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Overview
Brand:
Manufacturer's Part Number:
SUM-8768
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8768
Item Number:
8553541
UPC:
190861363342
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Circle Track/Drag Race
Camshaft Manufacturers Description:
Pro LT SP 4 optimizes valve events for the single plane intakes often used in drag, circle track and some street performance applications. It's designed for racing applications requiring monstrous midrange torque. Flycutting may be required. It takes advantage of the Gen. V cylinder head's flow with higher lift. It's designed to work with Beehive springs for increased rpm without wear and tear on the valvetrain. AFM Delete and VVT Delete. 14% Fuel Pump lobe generally doesn't require a lash cap to be used. In all cases, the "Lifter" needs to have proper preload and CANNOT max out pump plunger travel or catastrophic damage will result. Kent Moore 51092 helpful determining pump lobe base circle. Lash Caps not included. Choppy Idle. Headers and free flowing mufflers required.
Basic Operating RPM Range:
4,600-7,400
Intake Duration at 050 inch Lift:
234
Exhaust Duration at 050 inch Lift:
252
Duration at 050 inch Lift:
234 int./252 exh.
Advertised Intake Duration:
290
Advertised Exhaust Duration:
308
Advertised Duration:
290 int./308 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.625 in.
Valve Lift with Factory Rocker Arm Ratio:
0.625 int./0.625 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Rotation:
Clockwise
Quantity:
Sold individually.
Summit Racing Equipment® Pro LT Hydraulic Roller Cams
Summit Racing Equipment® Pro LT hydraulic roller cams offer a more affordable option for enthusiasts who are looking to upgrade their small block Chevy engine. These cams are designed with optimal valve events and greater lift to maximize horsepower and torque—which translates to better acceleration and overall engine responsiveness. Each roller cam is precision-machined from American bearing steel billets using a modern CNC grinder with CBN diamond wheels to ensure unmatched quality and durability and utilizes the latest advancements in lobe design technology to deliver the best possible performance for your engine. Different levels or stages of these roller cams are available; each model with various performance options to cater to your specific needs and desired idle characteristics. Order the Pro LT roller cam designed for your 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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