Jims Crankshaft Right Main Bearing 24641-87 for Evo Big Twin 1987-1999
$158.42
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Jims Crankshaft Right Main Bearing 24641-87 for Evo Big Twin 1987-1999
$158.42
Upgrade your bottom-end assembly with the Jims Crankshaft Right Main Bearing, precision-engineered for Harley-Davidson Evolution Big Twin engines. This red-sized pinion bearing ensures optimal fitment and reliable rotational performance under heavy load conditions.
Designed to directly replace OEM 24641-87A, it also serves as a heavy-duty modern bearing upgrade for 1958-1986 Big Twin models. Maintain maximum crankshaft stability and extend the operational life of your engine build with this premium component.
Key Features
| Brand | Jims |
| Manufacturer Part Number | 24641-87 |
| OEM Replacement Number | 24641-87A |
| Bearing Size / Color Code | Red |
| Placement on Vehicle | Right Side / Pinion Side Crankcase |
| Product Type | Crankshaft Main Bearing |
| Required Retaining Ring | OEM # 11177A |
| Condition | New |
| Shipping Weight | 0.3 kg |
Highlights
- Red color-coded size specification for precise crankshaft fitment
- Heavy-duty 1-piece design replaces OEM # 24641-87A
- Upgrades earlier 1958–1986 Big Twin engines to the robust late-style pinion bearing
Compatibility
- Harley-Davidson Evolution Big Twin (1987–1999)
- Harley-Davidson Big Twin (1958–1986) when upgrading to the late-style 1-piece bearing
How to use
Must be installed using OEM retaining ring # 11177A. Do not reuse earlier spiral retaining rings or OEM # 11177 C-style rings on this updated one-piece bearing assembly.
Frequently asked questions
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