AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit - 5 Quarts with Black Filter
4.9 star rating
Based on 1,641 reviews
4 star rating
Great product
By 
GEORGES, 
a 
Verified Buyer 
from 
Grand Falls NB 
on 
July 06, 2026
I been using this oils for my 1991 Harley Davidson,and my bike has 258 295 klm and the motor has never been touched yet !!! I put this oils in 3 holes,motor ,transmission and the primary,so I got nothing bad to say about AMSOIL!👍😎
The oil is the best, but they sent me the wrong oil filter with my order so recheck your order before they send it to you
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Expensive but good!!!
By 
COLLEEN, 
a 
Verified Buyer 
on 
November 11, 2025
Highly recommend the oil but very expensive.....
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
2013 Harley Davidson Triglide oil chang
By 
JOSE E, 
a 
Verified Buyer 
from 
Houston, Texas 
on 
October 05, 2025
Changed my oil using the 5 Qt + Amsoil Oil Filter. Everything went OK, actually only used 4 quarts of oil + the Filter. I typically use KN 171C oil filters but found out that the Amsoil filter is much more difficult to tighten, hand or otherwise. I am sure the Amsoil filter is good, but the installing it on a Trike was challenging.
I was disappointed this time.
The "kit" came with oil, and filter, but no o-ring for the drain plug as clearly pictured and called out in the description.
No biggie, just a trip to the NAPA parts store and got the job done. QC at the assembly plant for the kit must've had the day off????
It would be good if there was a "Deluxe" oil change kit that included primary fluid and an extra qt of 20-50 to do the trans.
Nice piece of kit, except there was only one o-ring which I used for the engine oil. I would have preferred to have two more o-rings for the Primary & the Transmission. Just sayin'.
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4 star rating
Need to make a 6 quart kit for the big M8 en
By 
MARK, 
a 
Verified Buyer 
on 
April 14, 2025
Need to make a 6 quart kit to do all three holes in m8 engines. The product does run well in my machine!
Arrived quickly. Can’t find the “o” ring in the packaging. I ordered a bag of 12 on Amazon… I looked a few times… but I’m famous for not being able to see stuff that’s right in front of my face… it’s better that I have a little stock on hand anyhow…I’m sure it was either an oversight or I’m blind
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Quantity
By 
GEOFF, 
a 
Verified Buyer 
on 
November 17, 2024
Amsoil quality is never a question. The kit requires an additional two more litres for a three hole oil change, on a 2017 Harley Street Glide.
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Good stuff
By 
JEAN, 
a 
Verified Buyer 
on 
November 06, 2024
I really like the process of purchasing the "kit", for getting the products needed.
I've been using AMSOIL in a variety of vehicles for nearly three decades. My opinion is that it is the best oil on the market, but you do have to pay a bit for it.
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Good but missing O-ring
By 
JASON, 
a 
Verified Buyer 
on 
May 21, 2024
As always the shipping was quick and mostly correct. Only issue was that the o-ring was missing.
Bottom Line
Yes, I would recommend this to a friend.
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4 star rating
Motorcycle oil
By 
JON, 
a 
Verified Buyer 
from 
Northern New Mexico 
on 
April 25, 2024
I have used this in four different Harley Dyna Series Motorcycles rode 45,000 on one of the machines and 50,000 on the others. Traveled all the way across the country three seperate occassions. Continue to use
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