The Alpha Performance Engines (A.P.E.) Power Plus Cam Kit is a complete Stage 2 camshaft upgrade for Harley-Davidson Milwaukee-Eight engines that improves throttle response and mid-range torque without increasing engine capacity.

The A.P.E. Power Plus Cam Kit is one of the best first performance upgrades for Harley-Davidson Milwaukee-Eight (M8) riders. It delivers sharper throttle response and stronger mid-range torque without the cost of a big bore build.

Taverner Motorsports supplies, installs and dyno tunes A.P.E. Power Plus Cam Kits in Bowen Hills, Brisbane, and ships Australia-wide. Suits [2017 to current M8 Touring and Softail models].

Motorcycle gear shift knob shaped like a black 8-ball on a metallic engine background.

What's Included in the A.P.E. Power Plus Cam Kit

Every Power Plus Cam Kit is a complete camshaft upgrade, not just a cam. Your kit includes:
  • A.P.E. camshaft (CR480, CR483, CR484 or CR485)
  • Cam bearing
  • High-capacity lifters and billet lifter cuffs
  • Adjustable pushrods
  • Cam install gasket kit
  • [High-flow injectors and intake manifold components: standard or optional?]
Man working on a blue motorcycle in a dimly lit garage or workshop.

Is the Power Plus Cam Kit Right for You?

It's a great fit if you:
  • Want a noticeably stronger Harley without a full engine rebuild
  • Are ready to go beyond a Stage 1 intake and exhaust
  • Want a cost-effective Stage 2-style upgrade
  • May step up to an A.P.E. Stump Puller big bore later
What you'll feel on the road:
  • Sharper throttle response
  • More mid-range torque for overtaking
  • A choppier idle, depending on your cam
Motorcycle gear shift knob shaped like a black 8-ball on a metallic engine background.

Which Power Plus Cam Should I Choose?

CR480 : Best for touring and two-up riding

Best for low-end toStrong low-end torque and smooth road manners. RPM range: [x,xxx to x,xxx]. Idle: [mild]. Suits: [heavy touring bikes, stock or Stage 1 setups].rque, smooth road manners and touring riders.

CR483 : Best all-rounder

Best all-round option for strong torque and everyday performance.

CR484 : Stronger mid-to-upper performance

Best for riders wanting a stronger mid-to-upper performance feel.

CR485: Most aggressive, and a big bore pathway

Best for more aggressive torque and a pathway into larger big bore builds.

Help Me Choose My Cam
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A.P.E. Power Plus Cam Kit vs Stump Puller: Which Suits Your Harley?

Choosing between the A.P.E. Power Plus Cam Kit and the A.P.E. Stump Puller comes down to whether you want a punchy Stage 2 upgrade or a full torque-focused big bore build. The Power Plus Cam Kit is the ideal entry point for riders seeking sharper acceleration, responsive throttle feel, and enhanced mid-range power while keeping their factory engine capacity. On the other hand, the A.P.E. Stump Puller is a dedicated big bore package designed to deliver massive low-RPM pulling power without requiring upgraded cylinder heads, making it the ultimate solution for heavy touring models, two-up riding, and effortless highway overtaking.
Feature A.P.E. Power Plus Cam Kit A.P.E. Stump Puller
Upgrade Type Stage 2 Cam Upgrade (Stock Displacement) Big Bore Kit (124ci / 128ci / 131ci)
Primary Focus Throttle response & mid-range acceleration Low-end & mid-range pulling torque
Cam Options CR480, CR483, CR484, CR485 & newer profiles CR480, CR483, CR485 (Retains stock heads)
Best For First performance upgrade; Stage 2 feel without a full engine build Touring models, heavy bikes, two-up riding, and effortless highway overtaking
Main Benefit Sharper acceleration, stronger Harley feel, and improved rideability Huge low-RPM pulling power and effortless roll-on torque
Close-up of a shiny chrome motorcycle engine with black and gold flame-painted fuel tank.

why choose Taverner Motorsports for Your A.P.E. Upgrade?

A cam upgrade isn't about fitting the most aggressive cam you can buy. It's about matching the cam to your exhaust, intake, engine size and riding style. As [an authorised A.P.E. installer], we've fitted [xx] A.P.E. kits and tune every build on our own dyno, so you get the result you're paying for.

Testimonials

Gave me a great deal on some nice grips and installed them for me, great customer service. will definitely be visiting whenever i need service for my harley

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I purchased my Talaria Sting electric bike from Brian. The team at Taverner Motorsports where helpful and ensured that my bike was ready for pick up. I would highly recommend!

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Could not recommend highly enough. Took on my 18 year old Buell. Expert mechanics with great attention to detail and the comms from Brian was second to none.

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Couldn’t have been happier with the work i recently had done to my 2017 breakout . Expert advice and experts on the tools quick turnaround on Christmas week ! Thanks so much Joe and Cat 👍

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I had an absolutely excellent experience, my bike came back in better condition than i dropped it off to them. extremely happy with the customer service and workmanship.

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I recently had my Harley-Davidson Sportster serviced and was thoroughly impressed with the work performed by the them. I am extremely satisfied and highly recommend their services to anyone seeking top-notch maintenance.

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Definitely recommended easy to deal with Clear, responsive and understanding Of what I wanted and was stoked with the outcome Honestly, Joe and cat thanks heaps again

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Awesome people who are extremely knowledgeable and experienced and very fair pricing.
Had my 883 serviced once before somewhere else, however after the Taverner service I realised how it was meant to run!

Magdalena

QLD

Power Plus Cam Kit Price Guide

Supplied and installed from [$x,xxx], including dyno tuning. Final pricing depends on your model, cam choice and existing upgrades. [Get a fixed quote]

FAQs

Some of our most commonly asked questions are answered here. For other queries please contact us directly, so our team can assist you.

Is the Power Plus Cam Kit a good first upgrade?

Do I need Stage 1 before a Power Plus Cam Kit?

Which Power Plus cam should I choose?

Can I upgrade from Power Plus to Stump Puller later?

Does a cam kit need dyno tuning?

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