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๐๏ธ Ride smoother, last longer โ clutch oil that keeps you ahead of the pack!
Red Line 42904 V-Twin Primary Oil is a friction-balanced synthetic oil designed specifically for 1984-to-present V-Twin American motorcycle engines. It improves clutch operation by reducing slip, wear, and temperature, extending clutch life and enhancing performance in motorcycles, ATVs, and powersports vehicles with wet-diaphragm spring clutches.






| ASIN | B0053O9EUA |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #40,321 in Automotive ( See Top 100 in Automotive ) #485 in Automotive Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Compatible with Vehicle Type | Motorcycle, ATV, UTV |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 2,601 Reviews |
| Flash Point | 232 Degrees Celsius |
| Flash point | 232 Degrees Celsius |
| Global Trade Identification Number | 00083522429047 |
| Included Components | V-Twin Primary Case Oil |
| Item Type Name | Motor Oils |
| Item Weight | 1.7 Pounds |
| Liquid Volume | 32 Fluid Ounces |
| Liquid volume | 32 Fluid Ounces |
| Manufacturer | Red Line |
| Manufacturer Part Number | 42904 |
| Model Number | 42904 |
| Package information | Bottle |
| Part Interchange Info | 42904 |
| SAE J300 Viscosity Grade | 10W-40 |
| Size | 1 Quart |
| UPC | 083522429047 |
| Unit Count | 32 Milliliters |
| Vehicle service type | Motorcycle, ATV, UTV |
B**N
Works well
B**G
Redline oil
R**P
The best
J**J
Best oil
A**R
Best for wear and tear
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