What viscosity is this particular oil?

Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90For heavily-loaded racing differentials and transmissions, problem gearboxesMany performance racing applications like Sprint/Midget/Dirt Late Model Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear endsNot recommended for most synchro applications due to the product's extreme slipperiness

What is the viscosity of this? Need a specific number.

Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90. This is from the manufacturer's site.

Canged primary chain OIL of my 2002 RoadKing ScreamingEagle I made a MISTAKE! Added REDLINTransFluidw/Shockproof. IS It COMPATABLE

I would think not. As the primary runs a 20w 50 and the red line is something like 75 90 it's going to a lot thicker. I would call a local Indy not HD and ask them for sure.

It exceeds API GL-5 specifications.

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58204 Heavy Shockproof Gear Oil - 1 Quart

Product ID: 5797128

Details

Brand
Red Line
Item Weight
1.7 Pounds
Liquid Volume
32 Fluid
Material
Synthetic
Package Information
Bottle

⏳Longer drain intervals

🔥Extreme condition lubrication

⚙️API GL-5 exceedance

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Description

⚙️ Shift into the fast lane with shockproof precision!

PROVEN TRACK RECORD - Trusted by top-tier racing teams in Sprint, Midget, and NHRA circuits.
EXTENDED SERVICE LIFE - Longer drain intervals mean less downtime and more track time.
UNCOMPROMISING QUALITY - Since 1979, Red Line sets the gold standard in gear oil technology.
RACE READY SYNTHETIC POWER - Polyol ester base stocks deliver unmatched lubrication under extreme stress.
MAXIMIZED DIFFERENTIAL EFFICIENCY - Engineered to boost mileage and reduce wear for peak performance.

Red Line 58204 Heavy Shockproof Gear Oil is a fully synthetic, polyol ester-based lubricant designed to exceed API GL-5 standards. Ideal for high-performance racing differentials and transmissions, it offers superior protection, improved efficiency, and extended drain intervals, making it the go-to choice for professional racers and enthusiasts seeking uncompromised gear protection.

Specifications

ASIN	B000CPI5XW
Best Sellers Rank	#20,360 in Automotive ( See Top 100 in Automotive ) #42 in Engine & Oil Fluid Additives
Brand Name	Red Line
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (1,003)
Global Trade Identification Number	00083522582049
Included Components	Red Line 58204 Heavy ShockProof Gear Oil - 1 Quart Bottle
Item Form	Oil
Item Type Name	Engine & Oil
Item Weight	1.7 Pounds
Liquid Volume	32 Fluid Ounces
Manufacturer	Red Line
Material	Synthetic
Model Number	58204
Number of Items	1
Part Interchange Info	58204
Part Number	57-6525
Recommended Uses For Product	Gear Oil
Specific Uses For Product	Racing transmissions and transaxles, high load conditions, high-performance differentials
UPC	083522582049 083522582094
Unit Count	32.0 Fluid Ounces
Warranty Description	Limited Manufacturer

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$105.76

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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