COMP Cams Mega 8 Hi-Lift Hydraulic Roller Camshaft Part #307-501-9 for Harley-Davidson Milwaukee 8 Engines

Mega 8 "Does It All Cam" 117 c.i.d. kits. Big torque and top gains and will make well over 138+ HP using ported heads, performance exhaust, intake system. Gross Valve Lift: .522 In/.522 Ex Valve Lift @ TDC: .172 In/.145 Ex Tappet Lift @ TDC: .108 In/.091 Ex Lobe Lift: .326 In/.326 Ex Duration @ .053: 248 In/254 Ex Valve Timing Open/Close: 18 In/50 Ex Open and 62 In/13 Ex Close Int. Centerline: 106 In/114.5 Ex Lobe Sep.: 110.25 Big torque and top end gains. Will make well over 138+ HP using ported heads, performance exhaust and intake system Harley Davidson: FLHXSE CVO Street Glide 17 - 17 - L Engine, Harley Davidson: FLHTKSE CVO Limited 17 - 17 - L Engine, Harley Davidson: FLFBS Fat Boy 114 18 - 18 - L Engine, Harley Davidson: FLSL Softail Slim 107 18 - 18 - L Engine, Harley Davidson: FXBB Street Bob 107 18 - 18 - L Engine, Harley Davidson: FLTRX Road Glide 17 - 18 - L Engine, Harley Davidson: FLSB Sport Glide 107 18 - 18 - L Engine, Harley Davidson: FLTRU Road Glide Ultra 17 - 18 - L Engine, Harley Davidson: FLFB Fat Boy 107 18 - 18 - L Engine, Harley Davidson: FXBR Breakout 107 18 - 18 - L Engine, Harley Davidson: FXLR Low Rider 107 18 - 18 - L Engine, Harley Davidson: FXFB Fat Bob 107 18 - 18 - L Engine, Harley Davidson: FLTRXS Road Glide Special 17 - 18 - L Engine, Harley Davidson: FLHXS Street Glide Special 17 - 18 - L Engine, Harley Davidson: FLRT Freewheeler 17 - 18 - L Engine, Harley Davidson: FLHX Street Glide 17 - 18 - L Engine, Harley Davidson: FLHTKL Ultra Limited Low 17 - 18 - L Engine, Harley Davidson: FLHTCU Electra Glide Ultra Classic 17 - 18 - L Engine, Harley Davidson: FLHTK Ultra Limited 17 - 18 - L Engine, Harley Davidson: FXFBS Fat Bob 114 18 - 18 - L Engine, Harley Davidson: FLHCS Heritage Classic 114 18 - 18 - L Engine, Harley Davidson: FLHTCUTG Tri Glide Ultra 17 - 18 - L Engine, Harley Davidson: FLDE Deluxe 107 18 - 18 - L Engine, Harley Davidson: FLHRXS Road King Special 17 - 18 - L Engine, Harley Davidson: FXBRS Breakout 114 18 - 18 - L Engine, Harley Davidson: FLHR Road King 17 - 18 - L Engine, Harley Davidson: FLHC Heritage Classic 107 18 - 18 - L Engine

The COMP Cams Mega 8 Hi-Lift hydraulic roller camshaft, part number 307-501-9, is designed to enhance performance on Harley-Davidson Milwaukee 8 engines, including models like the Street Glide, Road King, and Ultra Limited. This camshaft delivers significant torque and top-end power gains, making it an ideal upgrade for riders seeking increased horsepower and overall engine efficiency. When paired with ported heads, a performance exhaust system, and an upgraded intake, it can produce over 138+ horsepower, transforming your Harley's performance profile.
Its features include a gross valve lift of .522 inches on both intake and exhaust, with valve lift at TDC of .172 inches (intake) and .145 inches (exhaust). The cam's duration at .053 lift measures 248 degrees for intake and 254 degrees for exhaust, with valve timing opening at 18 degrees (intake) and 50 degrees (exhaust), and closing at 62 degrees (intake) and 13 degrees (exhaust). The lobe separation angle is 110.25 degrees, and the intake centerline is set at 106 degrees, optimizing valve timing for high-performance applications.
This camshaft is compatible with a wide range of 2017 Harley Davidson models, including the FLHX Street Glide, FLTRX Road Glide, FLHTK Ultra Limited, and others, ensuring a versatile fit for various touring and cruiser bikes. Please note that this part is not carb-approved and requires carb acknowledgment during installation. It is not suitable for use with carbureted systems but is ideal for those upgrading fuel-injected Milwaukee 8 engines seeking substantial performance improvements.
Constructed with precision and durability in mind, the COMP Cams Mega 8 Hi-Lift camshaft offers a reliable solution for Harley riders aiming to maximize their bike’s power output. Its design emphasizes big torque and top-end gains, making it a vital component for performance enthusiasts looking to elevate their Harley-Davidson experience.

Features:

• Gross Valve Lift: .522 inches for both intake and exhaust

• Valve Lift at TDC: .172 inches (intake), .145 inches (exhaust)

• Tappet Lift at TDC: .108 inches (intake), .091 inches (exhaust)

• Lobe Lift: .326 inches for both intake and exhaust

• Duration @ .053 lift: 248 degrees (intake), 254 degrees (exhaust)

• Valve Timing Open/Close: 18°/50° (intake), 62°/13° (exhaust)

• Intake Centerline: 106 degrees

• Lobe Separation Angle: 110.25 degrees

• Designed for Harley-Davidson Milwaukee 8 engines

• Increases horsepower, torque, and top-end performance

Fits
Harley Davidson FLDE Deluxe 107 Base 2018
Harley Davidson FLFB Fat Boy 107 Base 2018
Harley Davidson FLFBS Fat Boy 114 Base 2018
Harley Davidson FLHC Heritage Classic 107 Base 2018
Harley Davidson FLHCS Heritage Classic 114 Base 2018
Harley Davidson FLHR Road King Base 2017
Harley Davidson FLHR Road King Base 2018
Harley Davidson FLHRXS Road King Special Base 2017
Harley Davidson FLHRXS Road King Special Base 2018
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2017
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 2018
Harley Davidson FLHTCUTG Tri Glide Ultra Base 2017
Harley Davidson FLHTCUTG Tri Glide Ultra Base 2018
Harley Davidson FLHTK Ultra Limited Base 2017
Harley Davidson FLHTK Ultra Limited Base 2018
Harley Davidson FLHTKL Ultra Limited Low Base 2017
Harley Davidson FLHTKL Ultra Limited Low Base 2018
Harley Davidson FLHTKSE CVO Limited Base 2017
Harley Davidson FLHX Street Glide Base 2017
Harley Davidson FLHX Street Glide Base 2018
Harley Davidson FLHXS Street Glide Special Base 2017
Harley Davidson FLHXS Street Glide Special Base 2018
Harley Davidson FLHXSE CVO Street Glide Base 2017
Harley Davidson FLRT Freewheeler Base 2017
Harley Davidson FLRT Freewheeler Base 2018
Harley Davidson FLSB Sport Glide 107 Base 2018
Harley Davidson FLSL Softail Slim 107 Base 2018
Harley Davidson FLTRU Road Glide Ultra Base 2017
Harley Davidson FLTRU Road Glide Ultra Base 2018
Harley Davidson FLTRX Road Glide Base 2017
Harley Davidson FLTRX Road Glide Base 2018
Harley Davidson FLTRXS Road Glide Special Base 2017
Harley Davidson FLTRXS Road Glide Special Base 2018
Harley Davidson FXBB Street Bob 107 Base 2018
Harley Davidson FXBR Breakout 107 Base 2018
Harley Davidson FXBRS Breakout 114 Base 2018
Harley Davidson FXFB Fat Bob 107 Base 2018
Harley Davidson FXFBS Fat Bob 114 Base 2018
Harley Davidson FXLR Low Rider 107 Base 2018