Free Shipping Over $39.99

Orders $39.99 or more ship free within the contiguous U.S.

Free Shipping Policy

No Restock Fees

Doesn't fit? Don't love it?

Return any unused item within 30 days for a full refund.

No-Hassle Returns

  1. Obtain an RA number
  2. Package your product
  3. Send it back to us!
Return Policy

Price Match Guarantee

Found it for less?

RevZilla will match any advertised price on new merchandise available through another authorized U.S. dealer.

Price Match Policy

Elite Service Rating

Our goal is to provide the best possible shopping experience to every enthusiast who visits RevZilla.

See what our customers are saying about us:

Customer Reviews

ZillaCash Rewards

The ZillaCash rewards program is very straightforward - if you have a RevZilla account, you may already be taking advantage of ZillaCash rewards. Review the following guidelines to see how easy it is to maximize your rewards and put your ZillaCash to work for you.

  • Earn and redeem ZillaCash credit automatically with each order - no fine print, no strings attached, and no hoops to jump through to cash in.
  • All you need is a RevZilla account to start earning - Simply log in each time you shop with RevZilla and we’ll take care of the rest, keeping more money in your pocket just for shopping with us.
  • Earn $5 for Each $100 You Spend on eligible products - up to a maximum of $30 ZillaCash per order for orders totaling $600 or more. Any ZillaCash you earn is automatically applied to the next purchase, so you can sit back, enjoy the ride and feel the savings blow through your hair.
Learn More About ZillaCash

Red Line V-Twin Primary Case Oil

Item: P268869
$17.05
$18.95
Save $1.90 (10%)
Rebate Available! View Details
Learn More

Similar Categories

Product Details

Red Line V-Twin Primary Case Oil

Features:

  • For 1984-to-present V-Twin American motorcycle engines, including Evolution, Twin Cam, and aftermarket engines of similar design
  • Same fluid as our famous MTL gear oil
  • Improves clutch operation while reducing wear and temperature
  • Where most synthetics are too slippery for clutch operation, this friction-balanced product is balanced to provide less slip, smoother operation, and helps to apply more power in modified engines
  • This product is for use in the primary chaincase with wet-diaphragm spring clutches

Typical Properties:

API Service Class GL-4
SAE Viscosity Grade (Motor Oil) 5W30
SAE Viscosity Grade (Gear Oil) 75W80
Vis @ 100°C 10.4
Vis @ 40°C 54.1
Viscosity Index 185
Pour Point, °C -50
Pour Point, °F -58
Brookfield Vis @ -40°C, P 120

Product Style RevZilla Item # MFR. Product # Availability
Product Style 1QT RevZilla Item #952561 MFR. Product #42904/ AvailabilityIn Stock: Ships within 24 hours

Shipping

Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.

Returns

If your order arrives and it is not right, we will fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Product Description
Part Numbers
Shipping & Returns

Reviews & Questions

5.0 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
4
0
0
0
0
Bang For The Buck
5.0 / 5
Features
5.0 / 5
Style
5.0 / 5
Bang For The Buck
5 / 5
Great bang for the buck!
Great product & free-stupid fast shipping! Recommend!
April 26, 2016
Ride:
1999 Harley Davidson Softail Heritage Classic FLSTC/I
Bang For The Buck
5 / 5
Works
Grat premium synthetic lube for the primary of my sporty. Quiet and smooth operation.
January 19, 2016
Ride:
2011 Harley Davidson Sportster Nightster XL1200N
Bang For The Buck
5 / 5
Features
5 / 5
Style
5 / 5
Works great
Best primary fliud I have used to date. Go Red Line.
May 8, 2018
Purchased
1 year ago
Bang For The Buck
5 / 5
Features
5 / 5
Style
5 / 5
Good stuff
I previously ran Amsoil in my primary and I was happy with that but I wanted to give this a shot as well and I feel like this product has a slight edge on the competition. Super smooth clutch, I feel like the bike coasts better as well.
June 22, 2018
Purchased
4 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Why did you choose this?
RevZilla Store
wanted the best
fred t on May 24, 2017
Reputation
Brian N on Apr 29, 2017
wanted the best
fred t on May 24, 2017
Best stuff for my bike.
Shawn M on May 4, 2017
Reputation
Brian N on Apr 29, 2017
Suggested by a friend
Stanley P on Apr 6, 2017
This is definitely my primary choice
Patrick J on Apr 4, 2017
Red Line was recommended and I did the research too.
Abqjfc on Oct 17, 2016
needed extra because big twin power pack does not come with enough in the kit
Gregory S on Jun 18, 2016
Very good online reviews about redline.
ENRIQUE B on Mar 17, 2016
Trying the Redline V-Twin Tranny fluid, so why not the Primary case oil also?
Jim S on Mar 6, 2016
Best stuff for my bike.
Shawn M on May 4, 2017
Suggested by a friend
Stanley P on Apr 6, 2017
4 Customer Reviews
4 5/5
Read All Reviews
0 Questions & 0 Answers
Ask A Question