S&S, 99-06 crankcase assembly, 3-3/4" STD bore. Black
Replacement crankcases for Touring and Dyna Twin Cam engines. Offered is greater overall strength than OEM cases; especially in the front motor mount; which is an important consideration in high performance applications. CNC machined from high strength heat treated aluminum castings make these S&S cases much more cost effective than billet cases. A Timken® style sprocket shaft bearing is used to best withstand the most demanding applications. All oil passages between crankcase and gear cover are o-ring sealed. Includes roller bearings for camshaft and pinion shaft and a Timken sprocket shaft bearing. The large cam chest allows a cam lift up to .675" without clearancing. Clearanced for strokes up to 5". Cases are compatible with stock components like oil pump; cam support plate; gear cover etc. Cases include hardware and installation instructions. Note: Includes camshafts; pinion and sprocket shaft bearings. Note: Installation of the T124 engine in a 99-05 Dyna chassis requires a oil line installation kit which is no longer available. This kit included a special transmission top cover and oil lines. Custom fabrication is required. Note: Installation of the T124 engine in a 99-06 Touring chassis requires 902299 oil line installation kit. The stock transmission cover can be re-used. Note: Crankcases for the Softail engine; with internal balancers; is not available. Note: In any and all applications the technician must be able to judge components for their suitability i
Ça dépend de ta localisation et de ce que tu as commandé. Voici les délais estimés :
- France : livraison en 3 à 7 jours ouvrés.
- Europe & international : livraison en 7 à 10 jours ouvrés.
Certains produits sont en stock, d’autres non. On travaille avec plusieurs niveaux de stock :
- En stock : expédition sous 24h / 48h.
- Stock européen : expédition sous 48h / 72h.
- Stock USA : expédition sous 3 à 5 semaines.
- Précommande avec ETA : expédition selon la date estimée.
- Sur commande avec délai spécifique : expédition en fonction de la disponibilité.
Estimated carrier transit times are:
- France: 1–5 business days
- Most European destinations: 5–10 business days
- Countries outside the European Union: delivery times may vary depending on the destination and customs clearance
The dispatch estimate and carrier transit time are separate.
Compatibility
You can verify compatibility in two ways:
- Use the vehicle selector on the product page to check whether the part matches your motorcycle.
- Review the fitment table for the full list of compatible models and years.
Some parts may require additional components, modifications or a specific existing setup. Always read the fitment notes and product description before ordering.
Still unsure? Contact us with:
- motorcycle make and model;
- model year;
- exact version or trim;
- current modifications;
- product reference or link.
Our team will help you confirm compatibility before ordering.
Eligible items may be returned within 30 days of delivery.
To be accepted, the item must be:
- unused and uninstalled;
- in its original condition;
- returned with its original packaging, labels and accessories.
Parts that have been installed, damaged or modified cannot be returned.
Please contact us before sending an item back. Returns sent without prior authorization may not be accepted.
Return shipping costs remain the customer’s responsibility unless the item received is incorrect, damaged or defective.
Droits de douane & taxes
European Union
Orders delivered within the European Union are shipped from France. No import duties are charged upon delivery.
Countries outside the European Union
Local VAT, customs duties and carrier clearance fees may apply. These charges are determined by the destination country and remain the customer’s responsibility.
Payment Options
We accept major credit and debit cards, PayPal and the installment payment methods displayed at checkout.
Eligible orders may be paid in 3 or 4 installments, subject to the payment provider’s approval and applicable limits.

