what is the pitch and drive number of this chain and bar

Apparently this item number used to be for a 20" car and is now for a 16" bar. For the 16" bar it is 67 drive links

will it fit a ms270c with .325 clutch.

Yes, if your saw has a .325 7-tooth drive sprocket than this will fit. If it didn't fit the worst case would be picking up a new sprocket at the Stihl dealer for less than $10 and changing the sprocket(which is very easy). I had to buy the .325 7-tooth sprocket so this bar would fit my Stihl and it fit beautifully then so you should be good. A lot of Stihls have the 3/8 pitch drive sprocket instead of the .325.

Will it fit a jonsered 520 sp?

Depends on the size/pitch of the sprocket on the chainsaw itself. Look at the existing bar for chain information stamped into the bar. See if it matches the .063 325 74 numbers I see on the chain box for this one. If the existing bar don't have .063 325 stamped into it, the sprocket won't fit this chain properly. Oregon is GREAT if it will work.

will this fit my stihl ms271 with 18" bar with number on bar of 3003816817

Yes, Combo 105670 will fit your Stihl MS271. If you have any other questions, please call 1-800-223-5168, select option #1, and one of Technical Services Representatives will be happy to help you. Thank you, The Oregon Team

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Oregon 20" Bar & Chainsaw Chain Combo, .325", .063" Gauge, 81 Drive Links | AdvanceCut L81, Low-Vibration, Replacement Saw Chain & Guide Bar, Fits Several Stihl Models and More

Oregon 20" Bar & Chainsaw Chain Combo, .325", .063" Gauge, 81 Drive Links | AdvanceCut L81, Low-Vibration, Replacement Saw Chain & Guide Bar, Fits Several Stihl Models and More

Product ID: 866021

Details

Brand
Oregon
Chain Type
Low Profile
Gauge
0.06
Item Length
20 inches
Item Pitch
0.33 inches

🔗81 drive links

🪚20" bar length

⚙️.325" pitch, .063" gauge chain

€ 144.19

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Description

🪓 Cut smarter, not harder — upgrade your saw’s edge with Oregon precision!

MICRO CHISEL CUTTERS - Sharp, small-radius cutters deliver superior hardwood performance and easy maintenance.
PRO GRADE DURABILITY - Built for landscaping pros and serious yard enthusiasts demanding reliable power.
PRECISION FIT FOR STIHL - Seamlessly compatible with 15+ Stihl models up to 62cc for effortless upgrades.
ADVANCED LUBRI TEC OILING - Auto-lubrication reduces friction, extending chain and bar lifespan significantly.
LOW VIBRATION KICKBACK - Engineered for safer, smoother cuts—meet ANSI B175.1-2012 safety standards.

The Oregon 20" Bar & Chainsaw Chain Combo features an 81-drive link, .325" pitch, and .063" gauge chain designed for a wide range of Stihl chainsaws up to 62cc. Equipped with Oregon’s LubriTec oiling system and low-vibration, low-kickback technology, it ensures enhanced safety, longer chain life, and professional-grade cutting performance.

Specifications

ASIN	B000CFPXPU
Best Sellers Rank	#20,394 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #101 in Chainsaw Accessories
Brand Name	Oregon
Chain Length	20 inches
Chain Type	Low Profile
Compatible Devices	Stihl 024, 026, 026P, 028, 029, 030, 031, 032, 034, 036, MS 260, MS 270 (older versions with .063" gauge), MS 271 (older versions with .063" gauge), MS 280, MS 290
Customer Reviews	4.5 4.5 out of 5 stars (2,263)
Drive Link Count	81
Gauge	0.06
Global Trade Identification Number	00036577011170
Included Components	1
Item Length	20 inches
Item Type Name	for Stihl
Item Weight	3.4 pounds
Manufacturer	Oregon Tool
Manufacturer Part Number	105671
Model Number	105671
Number of Items	1
Number of Packs	1
Pitch	0.33 inches
UPC	036577011170
Unit Count	1 Count

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€ 144.19

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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