Best Cam Upgrade for Harley Twin-Cam (110, 103, 96, 88 Inch)

A camshaft is an engine device that helps open and close valves at desired timings during combustion. It is one of the critical contributors that increases the performance of a motorcycle by increasing engine power. Your Harley engine will also get an extended lifespan depending on the efficiency and effectiveness of the cam that you choose. Different types of cam exist, but not all are worth your investment. You’ve to pick the one built for your Harley’s engine. Here we bring the best options based on different Harley engines.

Best Cam Overall (Great for 96, 103, 110) – Andrews 57H or Feuling Reaper 574

Runner Up (for 88, 96, 103) – Feuling 525 or S&S Cycle 583

Best Cam for Harley 103 – S&S Cycle HP 103 or S&S Cycle MR103

Best Cam for 96 Cubic Inch Harley – Feuling Reaper

Best Cam for Stock Twin Cam 88 – S&S Cycle 509G

Best Full Camshaft Kit (88, 96, 103 inch) – S & S Cycle 510G

Why Did We Choose the Cam Upgrades Above?

  • These cams have a higher horsepower range.
  • Most of these cams are designed for racing engines, so it does great on a 96, 103, 110-inch machine since these engines have been used mostly on hard street riding.
  • Some of the cams are designed to work on all three motors with minimal problems.
  • The lower end torque of the cams are slightly more minor displacement deviations than stock pistons. A lower compression ratio requirement as well as a more significant increase in horsepower throughout the entire powerband.
  • These camshafts provide incredible horsepower across a large percent of the rpm range.
  • The open exhaust lobe design helps with compatibility when building your motor.

Best Cam Upgrade for Harley Twin-Cam

Best Cam Overall
Andrews 57H Chain Drive Cam Set for Harley Davidson 2006 Dyna, 2007-13 Big Twin
Runner Up
Feuling 525 Twin Cam Chain-Driven Cams for Twin Cam 1001
Best Cam for Harley 103
S&S Cycle Gear Drive Camshaft Kit HP103 Compatible for Harley Davidson FLHX Street Glide 2006
Best Cam for 96 Cubic Inch Harley
Feuling Reaper 574 Chain-Driven Cams for Twin Cam 1009
Best Cam for Stock Twin Cam 88
S&S Cycle 509G Gear Drive Touring Cam Kit Compatible for Harley-Davidson Twin Cam 99-06
Best Full Camshaft Kit
S&amp,S Cycle Complete Gear Drive 510G Camshaft Kit 33-5177
Andrews 57H Chain Drive Cam Set for Harley Davidson 2006 Dyna, 2007-13 Big Twin
Feuling 525 Twin Cam Chain-Driven Cams for Twin Cam 1001
S&S Cycle Gear Drive Camshaft Kit HP103 Compatible for Harley Davidson FLHX Street Glide 2006
Feuling Reaper 574 Chain-Driven Cams for Twin Cam 1009
S&S Cycle 509G Gear Drive Touring Cam Kit Compatible for Harley-Davidson Twin Cam 99-06
S&,S Cycle Complete Gear Drive 510G Camshaft Kit 33-5177
Best Cam Overall
Andrews 57H Chain Drive Cam Set for Harley Davidson 2006 Dyna, 2007-13 Big Twin
Andrews 57H Chain Drive Cam Set for Harley Davidson 2006 Dyna, 2007-13 Big Twin
Runner Up
Feuling 525 Twin Cam Chain-Driven Cams for Twin Cam 1001
Feuling 525 Twin Cam Chain-Driven Cams for Twin Cam 1001
Best Cam for Harley 103
S&S Cycle Gear Drive Camshaft Kit HP103 Compatible for Harley Davidson FLHX Street Glide 2006
S&S Cycle Gear Drive Camshaft Kit HP103 Compatible for Harley Davidson FLHX Street Glide 2006
Best Cam for 96 Cubic Inch Harley
Feuling Reaper 574 Chain-Driven Cams for Twin Cam 1009
Feuling Reaper 574 Chain-Driven Cams for Twin Cam 1009
Best Cam for Stock Twin Cam 88
S&S Cycle 509G Gear Drive Touring Cam Kit Compatible for Harley-Davidson Twin Cam 99-06
S&S Cycle 509G Gear Drive Touring Cam Kit Compatible for Harley-Davidson Twin Cam 99-06
Best Full Camshaft Kit
S&amp,S Cycle Complete Gear Drive 510G Camshaft Kit 33-5177
S&,S Cycle Complete Gear Drive 510G Camshaft Kit 33-5177

Explaining Different Twin Cam Engines

S&S Twin Cam Engine: has 124 cubic inches of displacement with hydraulic lifters that get oil pressure from the pushrods.

Evo Engine: has 113 cubic inches of displacement with hydraulic lifters that get oil pressure from the pushrods.

Ricardo Engine: has 124 cubic inches of displacement with hydraulic lifters that get oil pressure from the pushrods. It is a new design built to replace the old Shovelhead.

Revolution Engine: has 141 cubic inches of displacement with hydraulic lifters that get oil pressure from the pushrods. This engine is lighter, more powerful, and offers better suspension performance.

Milwaukee 8 Engine: has 1641cc displacement with hydraulic lifters that get oil pressure from the pushrods. It has four valves per cylinder, a larger bore size, higher compression ratio, higher rev limit, improved camshaft profiles, reduced vibration levels.

Horsepower Of 110, 103, 96- And 88-Inch Twin-Cams

Horsepower has always been a fascinating subject to hot ridders and race fans. The high rpm revolutions of four, six- and eight-cylinder engines have created some of the most exciting racing machines ever built. Horsepower wars are nothing new in motorsports. The quest for more speed and power has been going on since day one.

1. Harley 103 -has 76 horsepower and 90 ft torque at 3,750 RPM.

2. Harley 96 -has 74 horsepower and 90 ft torque at 4,000 RPM.

3. Harley 88- has 69 horsepower and 80 ft torque at 3,750 RPM.

4. Harley 110 – has 83 horsepower and 90 ft torque at 3,750 RPM.

Harley Cam Comparison Chart

Harley engine components control how much air and fuel your engine can take in at a given time. It would be best if you matched up to your camshafts with your engine’s needs. Harley engines can run with either a high or low-profile camshaft, and each one is slightly different.

If the numbers are between 100 and 105, then you have a high-profile grind. This means that your cams will be designed for top-end power rather than throttle response or torque in lower rpm ranges. If you’ve got numbers between 85 and 100 on your engine, you will use a low-profile cam. Low-profile cams are designed to produce torque and acceleration in the lower rpm ranges, typically around three thousand RPM or more down.

Guide to Buy Cam Upgrades for Harley Twin-Cams 200

Primary Application

The cam you would want to buy should be based on the primary application. For example, if you are looking for a performance upgrade, you need cams to increase your horsepower and torque.

Bike and Engine Combination

Every engine has different needs when you are matching it with the appropriate camshaft profile. It depends upon various factors such as lift amount, duration, etc.

Fitting

Your bike engine combination must be considered for fitment purposes before you buy the cams. Depending upon your motorcycle, various companies offer many different Cam-Upgrades that will perfectly fit your particular Harley Davidson engine and frame model.

Cam Intake Opening

This is the first point of contact for the cam lobe on the engine’s valve, and it has a significant impact on performance levels. It defines how well your engine will respond to throttle input from your hand and how good mileage, smooth cruising, etc., can be achieved.

Cam Intake Closing

You should check intake closing after considering the primary purpose of upgrading cams, stock setup, and other factors based upon individual needs.

Cam Exhaust Opening

The exhaust opening section of profiles affects the engine’s performance and sound output at idle and under load.

Cam Exhaust Closing

The exhaust closing section has a direct impact on the engine’s power output once. Exhaust gases pass through the respective motor cylinder, thus delivering unmatched performance levels alongside better throttle response time at any rpm level.

Horsepower

The cams for Harley increase in power as RPM rises. More significant engines will perform better with bigger cams and vice versa. Motorcycles with large engines tend to require the best cams with a large number of lobes.

Best Brand for Harley Cam Upgrade

1. Andrews Products

2. Feuling

3. S&S Cycle

4. Dyno-Jet

5. Hell Bent

6. Power Vision

7. Rinehart Racing

Bestseller No. 1
Feuling OEX Hydraulic Cam Chain Tensioner Conversion Kits for Harley 02-06 - 7090 - Scooters Performance
  • Cam chain tensioner conversion kits include the needed components to upgrade early 99-06 style mechanical cam chain drive systems to the late 07-17 hydraulic cam chain drive systems
  • Kits include a Feuling OE+ billet oil pump and camplate, Feulings billet hydraulic tensioners, cam chains, sprockets, sprocket alignment spacers, TimkenR/Feuling bearings, needed gaskets, O-rings, ARPR cam, crank and tensioner hardware, LoctiteR and moly lube
Bestseller No. 2
Wyze Cam v3 with Color Night Vision, Wired 1080p HD Indoor/Outdoor Video Camera, 2-Way Audio, Works with Alexa, Google Assistant, and IFTTT
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Bestseller No. 3
2Pcs CNPAPC Upgrade Double Iridium IX Spark Plugs DCPR7EIX #3144 #6046 #97637 for 1999-2016 Harley Davidson Twin Cam…
  • 【SUPER POWER】Double Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response. Double iridium is the best spark plug material
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  • 【COMPATIBLE MODELS】DCPR7EIX #3144 Replacement racing spark plug used by many professional car drivers and fit for 2000 Dyna Super Glide;1999-2016 Harley Davidson Twin Cam;XL Sportster 883/1200 1986-present; Ultra;Suzuki Boulevard ;If it has the same parameters as this product, it can be compatible
  • 【QUICK AFTER SALES SERVICE】One order = 2 Pieces ,We provide 12 months warranty service for this spark plugs, and we attach great importance to every customer's satisfaction. If for any reason we are not meeting your expectations, please feel free to contact us and we will do our best to resolve all your concerns.
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70mai Smart Dash Cam 1S, 1080P Full HD, Smart Dash Camera for Cars, Sony IMX307, Built-in G-Sensor, WDR, Powerful Night Vision
  • 【1080P Full HD Night Vision & Sony IMX307】The smart dash cam 1S enables you to achieve 1080P Full HD resolution, records every detail on the road for you. Equipped with the Sony IMX307 image processor and F/2.2 aperture, the dash cam is pulled in more light to brighten up low-light scenes, provide you the clear images even in the dim light
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  • 【Built-in Wi-Fi & App Control】With built-in WiFi, it can connect to the 70mai App, which simply enables you to watch real-time footage, play recorded videos as well as download files to your phone. Also, this function enabled you to achieve continuous OTA updates by automatically fixing bugs and updating software
Bestseller No. 5
Blink Mini – Compact indoor plug-in smart security camera, 1080 HD video, night vision, motion detection, two-way audio, Works with Alexa – 1 camera
  • 1080P HD indoor, plug-in security camera with motion detection and two way audio that lets you monitor the inside of your home day and night.
  • Get alerts on your smartphone whenever motion is detected or customize motion detection zones so you can see what matters most.
  • Store events conveniently and securely in the cloud with a 30-day free trial of the Blink Subscription Plan or locally with the Sync Module 2 and a USB flash drive (USB sold separately).
  • See, hear, and speak to people and pets in your home on your smartphone with Blink Mini’s live view and two-way audio features (live view is not continuous).
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Bestseller No. 6
Compatible for Harley Davidson Twin Cam Lifter Magnet Tool Magnetic Holder
  • 2 Piece Set lifter magnet holders Compatible for harley davidson twin cam models designed for twin cam and dyna models 1999 to present.When working on a rebuild, the lifters drop into the cam lobes, getting in the way of removing and installing new bearings and cams.
  • These will allow you to work on both, front and rear lifters at the same time. Aluminum body with strong magnets press fitted to last.
  • 100% made in the united states.  
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Mini Spy Camera 1080P Hidden Camera - Portable Small HD Nanny Cam with Night Vision and Motion Detection - Indoor Covert Security Camera for Home and Office - Hidden Spy Cam - Built-in Battery
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SaleBestseller No. 9
LisylineAuto TC96 Cam Crank sprockets Shaft Locking Bolts Tool For Harley Touring 2007-2019 Dyna 2006-2019 Softail 2007-2019
  • These tools lock the cam and crank sprockets for removal and installation of the cam and crankshaft bolts.
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Is Cam Essential for Your Harley?

The cam is critically essential for your Harley. This is because it is what makes your engine get rid of the exhaust gasses. Without it, you’d be dumping gas into the crankcase, which would mess up your internals and oil and also pollute the environment. It would be best if you replaced it when it shows any signs of slippage or wears. Otherwise, you risk engine failure and severe injury.

How Do You Tell If Your Harley Is Cammed?

Warm up your Harley’s engine entirely and let it stabilize at operating temperature. Get on and pull in the front brake so that you can put your bike into 1st gear. Finally, take off and pay attention as your speed increases:

If, when going faster than 40mph, the motor begins to stutter or hesitate, then your gearing or valve timing is too low. If, instead, the engine revs freely right out until redline, then it is cammed.

Installing Cam Upgrade on Your Harley – Steps & Tips

1. Gather Tools and Parts required like cam for your exact year, new oil chains, and sprocket

2. Strip the bike down to the frame

3. prepare your engine for the cam upgrade or replacement in case you want a new cam.

4. Take out Camshaft, cam chain tensioner, sprocket, and oil pump assembly

5. clean your engine to remove any carbon build-up.

6. Inspect Cam sprocket and chain tensioner for wear or damage

7. For the new camshaft, you can use special tools to hold your camshaft in place so you can secure the timing sprocket.

8. Camshaft Installation: Slide camshaft into timing sprocket

9. Clean your engine with brake cleaner or carburetor cleaner to remove any grease and oil.

10. Apply High-Temperature Silicone Grease to Camshaft lobes and the cam journals on your engine. Do not grease the cam sprocket part.

Concluding Remarks

Cams are critical parts of a Harley. You should choose carefully according to your budget and requirements. If you spend good cash on buying them, there will be no issues with your motor. It will run smoothly, and your motorcycle will provide good speed. It would be best if you always tried to buy the best product. A bad cam will never offer you any good result, and soon your motorcycle will start showing signs of serious problems.

Last update on 2022-05-12  / Images from Amazon Product Advertising API

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Writer @ Motorcycleall.

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