S&S TWIN CAM BIG BORE KIT
In Stock
BREATHER VALVE AND GEAR FOR BIG TWIN
$175.05
In Stock — Ready to Ship
Ships in 48hrs
30-Day Returns
Secure Checkout
Weight: 0.30
- Whether you’re building an engine from scratch, rebuilding an engine that has been thrashed or updating from the OEM plastic breather, we recommend using one of these top quality steel breather valve and gears
- The stock plastic breathers are known for their terrible distortion and can easily be upgraded to one of these
- All Jim’s breathers are of the late style slotted design
- All breathers listed are designed to be used with Late 1979/1982 steel breather shims
- See the engine section for breather shims
- Available in standard diameter or +.030″ outside diameter
- The +.030″ is designed to repair gouged out breather holes and will require machine work
Jims
Standard Diameter Breather Valve & Gear
Fits Shovelhead & Big Twin Evolution Late 1977/Later
Replaces HD# 25313-77A
Note: Features an elongated oil evacuation hole to increase the duration of the suction to the breather settling cavity
By: JIMS MACHINING
Specifications coming soon.
Shipping Information
In-stock orders ship within 1–2 business days. Shipping time varies by location and carrier. Standard domestic shipping is available for most items. Expedited options may be available at checkout.
- Free Standard Shipping on orders over $99
- Most orders ship within 48 business hours
- Tracking number provided upon shipment
- Oversized items may require freight shipping
Return Policy
We accept returns on eligible new items within 30 days of delivery. Used parts are sold as-is and may not be eligible for return. Items must be in original, uninstalled condition with all original packaging.
Is this part compatible with my bike?
Fitment information is listed in the product details above. If you have questions about compatibility for your specific model and year, please contact our team before ordering.
Do you offer a warranty on parts?
New parts carry the manufacturer warranty where applicable. Used parts are sold as-is and are typically tested or described in detail. See the product condition notes for specifics.
How do I track my order?
Once your order ships, you will receive an email with a tracking number. You can also log into your account at any time to view order status.
Can I return a used part?
Used parts are generally sold as-is and are not eligible for return unless there was a significant misdescription. Contact us within 7 days of delivery if you have a concern.
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