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Instruction Sheets for Part Number SUM-5781
Summit Racing Equipment® Pro Mopar Hydraulic Roller Cams SUM-5781
Part Number: SUM-5781
Summit Racing Equipment® Pro Mopar Hydraulic Roller Cams
Pro BBM MOPAR Best Hydraulic Roller Cam 2, 218/226 Duration, 110 LSA + 0 Adv. .525/.520 1.5 rocker, .560/.555 1.6 rocker, 2,200-5,800 basic rpm range
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Overview
Brand:
Manufacturer's Part Number:
SUM-5781
Part Type:
Product Line:
Summit Racing Part Number:
SUM-5781
Item Number:
8553657
UPC:
190861363731
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip/Towing
Camshaft Manufacturers Description:
The H.R. 2 cam works with factory gears and converter with a lopey idle. Good for weekend drivers.
Basic Operating RPM Range:
2,200-6,000
Intake Duration at 050 inch Lift:
218
Exhaust Duration at 050 inch Lift:
226
Duration at 050 inch Lift:
218 int./226 exh.
Advertised Intake Duration:
272
Advertised Exhaust Duration:
280
Advertised Duration:
272 int./280 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Valve Lift with Factory Rocker Arm Ratio:
0.525 int./0.520 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Rotation:
Clockwise
Quantity:
Sold individually.
Notes:
Most have additional lift so modern beehive or small diameter dual springs and valve guide cutting may be required. Note slightly higher LSA and cam advance are ground-in by design. It's highly recommended the car be run down the strip before making any changes to the cam advance. Melonized or composite distributor gear recommended.
Summit Racing Equipment® Pro Mopar Hydraulic Roller Cams
Summit Racing Equipment® Pro Mopar cams for LA, Magnum, B and RB engines are made in the USA with advanced cam lobe designs. Durations/LSA/Advance are valve event driven for consistent power and behavior. Lift is set for compatibility with most aftermarket heads or modified factory heads. Lobe intensity is aggressive without being hard on the valvetrain. The valvetrain is specifically designed for stability at high-RPM with modern Beehive and lightweight small-diameter dual-springs. Cam and lobe quality is second to none starting with hardened bearing steel billets and grinding on a Landis 3L. The Pro Mopar hydraulic roller cams allow for faster valve opening and closing compared to flat-tappet alternatives, resulting in better airflow and higher efficiency. Order the Pro Mopar hydraulic 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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