SKU: 61522605645

M7 Speed R53 MINI Cooper Lightweight Crankshaft Pulley - Standard Diameter

$169.16 $187.95
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

M7 Speed R53 MINI Cooper Lightweight Crankshaft Pulley - Standard DiameterThe M7 Speed lightweight crankshaft pulley will add power, acceleration and performance to your MINI. The lightweight crank pulley reduces crankshaft rotational mass which equals additional increased horsepower, torque and throttle response. Design This beautiful design is a result of advanced computer modeling and high precision CNC machining. Made in the USA from billet 6061 T6 aerospace grade aluminum alloy and finished with a deep black anodized

The M7 Speed lightweight crankshaft pulley will add power, acceleration and performance to your MINI. The lightweight crank pulley reduces crankshaft rotational mass which equals additional increased horsepower, torque and throttle response.

Design

This beautiful design is a result of advanced computer modeling and high precision CNC machining. Made in the USA from billet 6061-T6 aerospace grade aluminum alloy and finished with a deep black anodized coating and laser etching.

The Micro V-Belt grooves are machined to exacting SAE J1459 specifications for minimum belt slippage at maximum boost. Use this in combination with the M7 Speed 16 percent Supercharger Technology Pulley for maximum performance and boost yourself to the next level of MINI tuning and performance.

From the factory, the MINI suffers from no positive drive key on the crankshaft snout to drive the lower pulley. The factory pulley is press fit onto the crank. All aftermarket pulleys are slip fit at best and rely on the bolt to provide adequate clamp force to prevent the pulley from slipping.

The M7 Speed crank pulley is engineered with an interference fit onto the crankshaft eliminating pulley slippage on the crankshaft.

Features

  • Super Lightweight. Weighs in at 17 ounces (0.5 kg)
  • Save 6.2 lbs (2.8 kg) from stock
  • Reduces damper weight by an amazing 88.5 percent!
  • Prefect balance is achieved by symmetric design and high precision machining.
  • Industry exclusive interference thermal fit to eliminate high RPM slippage on the crankshaft.
  • Supplied with a brand new high quality ARP Racing bolt and precision ground flat washer
  • Micro V-Belt grooves are machined to exacting SAE J1459 specifications

Installation

Simple to install. Heat the pulley to 400 degreesF (205 degrees C) in your kitchen oven or using a small propane torch and the pulley will drop straight onto the crank.

When it cools it will shrink on to the crank. Finish the installation with the supplied ARP bolt and precision flat washer and presto...more power, more reliability and more overall performance for your supercharged MINI Cooper.

Made in the USA

Fitment Notes :
A larger 4 percent oversize speed increasing crank pulley will add just that little extra added supercharger boost and performance. This beautiful design is a result of advanced computer modeling and high precision CNC machining.

Made in the USA from billet 6061-T6 aerospace grade aluminum alloy with a deep black anodize coating, the M7 Speed 4 percent oversize - speed increasing pulley will provide a lifetime of reliable use.

Weighing in at just 17 ounces and supplied with a brand new high strength ARP bolt and precision ground flat washer, the M7 Speed Super Light crank pulley is best in class.

Each M7 Speed product is Engineered....Tested....and Proven to Perform!

  • 02-06 Mini Cooper Hatchback 05-08 Mini Cooper Convertiable
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 61522605645

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4.8 ★★★★★
Based on 14 reviews
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Product Reviews
M
Verified Purchase
Marie Phillips
Bozeman, US
★★★★★ 4
Tough Chewer Approved but Not a Forever Toy
Flavor Name: Original, Size: X-Large
I do like this toy for what it is meant to do. It is definitely built for strong chewers and holds up way better than softer toys that get destroyed in minutes. The texture keeps dogs interested and gives them something to really work on, which helps with boredom and can support dental cleaning through chewing. It is one of those “finally something that lasts a bit” kind of toys for heavy chewers. That said, it is not something you just toss in and forget about forever. Like most hard nylon toys, it will wear down over time and should be checked regularly for rough edges or changes in shape. Some dogs will also go through it faster depending on how intense their chewing style is, so replacement will eventually be needed. Girl, this is one of those “it survives the chaos better than most, but you still need to keep an eye on it” situations.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
C
Verified Purchase
Customer Review
Lexington, US
★★★★★ 5
The Remote Worker's Savior
Flavor Name: Bacon, Size: Medium
If you're like me, trying to balance deadlines and Zoom meetings while your furry co-worker incessantly nudges you for attention, then listen up because I've found the ultimate secret weapon: the Nylabone Chew Dog Toy. Trust me, it's a game-changer that will keep your dog busy and your productivity soaring. Picture this: you're knee-deep in spreadsheets, buried in emails, and your dog is bouncing around like a furry tornado, demanding playtime. Enter the Nylabone Power Chew, the superhero of dog toys that saves the day. Its durability is off the charts, my friends. It can withstand a full day of canine chewing fury, leaving your furniture unscathed and your dog blissfully entertained. But here's where the magic happens. This toy isn't just tough; it's also infused with a bacon flavor that sends your dog's taste buds into a frenzy. It's like having a bacon-scented office right in your home! As your dog sinks their teeth into this baconlicious wonder, their focus shifts from your keyboard to their newfound chewy delight. Suddenly, the tug-of-war with your important documents becomes a distant memory. Now, let's talk about the beauty of this toy's distraction power. With the Nylabone Power Chew in play, your dog becomes engrossed in their chewy mission. They're occupied, happily gnawing away, while you conquer your work tasks like a true champion. It's like having a personal assistant who doesn't interrupt you every five minutes with a squeaky toy demand. But don't be fooled by its functionality; the Nylabone Power Chew brings more than just peace and quiet. It brings laughter and joy to your work-from-home routine. Watching your pup go to town on this bacon-infused wonder is like having a built-in comedy show right in your home office. It's the perfect stress relief during those never-ending conference calls. And let's not forget the Nylabone brand's commitment to quality. This chew toy is built to last, crafted with non-toxic materials that keep your beloved furry friend safe and sound. It's like having a reliable coworker who never lets you down. So, my fellow remote workers, if you're desperate for a productivity boost and a furry coworker who won't pester you all day long, the Nylabone Chew Dog Toy is your secret weapon. It's a dog toy miracle that keeps your pup happily occupied while you conquer the work world. Say goodbye to interruptions and hello to a harmonious work-from-home environment. Trust me, you'll wonder how you ever survived without it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2023
H
Verified Purchase
Hot Rod
Belleville, US
★★★★★ 5
Clean teeth as well!!
Flavor Name: Bacon & Chicken, Size: Small
If your dog is a chewer or just bored, these bones are amazing. All of my dogs love and have loved Nylabones. I consider them a must to give your dog as an outlet to chew when bored or when in need of stimulation. Replace as necessary. I always have a pack on standby.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
D
Verified Purchase
D. Kitchens
Alexandria, US
★★★★★ 3
Not for chewers
Flavor Name: Bacon & Chicken, Size: Small
My dog liked these okay. He was able to chew little pieces off though.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
K
Verified Purchase
KcKerry
Pawtucket, US
★★★★★ 5
Great fit
Flavor Name: Peanut Butter, Size: X-Large
My dog has a very powerful jaw. Only a few things that he cannot destroy. We have had the peanut butter flavor that still looks the same that it did a year and a half ago. It is his version of a binky. He may leave it alone for days or weeks but every so often he needs to have his teeth and gums itched. Very few remnants of the bone left around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026

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