S&S CYCLE T111 TWIN CAM A CRATE ENGINE HARLEY DAVIDSON

S&S CYCLE T111 TWIN CAM A CRATE ENGINE HARLEY DAVIDSON

Fits 1999–2006 and 2007–2017 Twin Cam A applications. Wrinkle black finish.

• 4-1/8" bore x 4-1/8" stroke | 9.8:1 compression ratio
• Wrinkle black finish

Included with This Engine

• S&S Super Stock cylinder heads and crankcase
• S&S Easy Start cams
• High-flow oil pump
• Forged flat top pistons
• Cylinder heads specially machined to compensate for non-stock cylinder length — compatible with stock-length manifolds and throttle bodies
• Breather vent bolt locations adjusted to stock position — stock-style air cleaner back plates bolt up

Separately Required — Not Included

• Intake system (carburetor, throttle body, or EFI) — not included; compatible with stock or aftermarket
• Ignition system — not included
• 1999–2005 style offset intake flanges — required for 2006 model owners (99-05 style heads fitted)
• ⚠️ CONFIRM: Verify with your installer whether an oil line kit or additional chassis hardware is required for your application

Tuning & Ignition

• Intake system not included — compatible with stock or aftermarket carburetor or EFI
• Ignition not included — use stock or aftermarket
• ⚠️ CONFIRM: Professional dyno tuning recommended — confirm scope with your installer

Installation Scope

• Fits 1999–2006 and 2007–2017 Twin Cam A applications
• 2006 model owners must purchase 99-05 style offset intake flanges separately
• ⚠️ CONFIRM: Professional installation strongly recommended — confirm scope with your shop

Manufacturer Warranty

• ⚠️ CONFIRM: Warranty terms not confirmed in product documentation — please verify current S&S Cycle warranty coverage before purchase

Current Lead Time

• ⚠️ CONFIRM: Lead time not confirmed — contact us before ordering to verify current availability and estimated ship date

Pre-Purchase Confirmation

Before placing your order, please confirm the following with our team:

• This engine is compatible with your specific Twin Cam A model year
• You have an intake system and ignition sourced (not included)
• 2006 model owners: confirm offset intake flanges are ordered
• You have a qualified installer and tuning plan in place
• You understand current lead time and warranty terms

Contact us to confirm compatibility and availability before purchasing.