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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Red Line 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

⏳Extended drain intervals

🔥Polyol ester synthetic base

⚙️API GL-5 exceedance

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R$538

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Shift into high gear with Red Line’s shockproof synthetic edge!

TRUSTED LEGACY - Red Line’s proven formula since 1979, favored by top racers and enthusiasts alike.
MILEAGE MAXIMIZER - Improves differential efficiency for better fuel economy and longer service life.
SYNTHETIC POWERHOUSE - Polyol ester base ensures superior lubrication under the harshest conditions.
RACE READY PROTECTION - Engineered for extreme shock loads in high-performance differentials and transmissions.
SHOCKPROOF CONFIDENCE - Popular choice for Sprint, Midget, and NHRA Top Fuel applications demanding peak reliability.

Red Line 58204 Heavy Shockproof Gear Oil is a fully synthetic, polyol ester-based lubricant designed to exceed API GL-5 standards. It delivers exceptional protection and efficiency for high-performance racing differentials and transmissions, extending drain intervals and reducing wear. Trusted since 1979, it’s the go-to gear oil for professional racers and enthusiasts seeking unmatched durability and performance under extreme conditions.

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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