Features & Benefits:-

* The S&S 124ci Hot Set Up Kit allows owners of Twin Cam 88 B to upgrade their stock 88ci engines to 124ci using the stock crankcases.

* This version of the 124ci Hot Set Up Kit which is highly recommended, features S&S Super Stock cylinder heads and a compression ratio of 10.8:1.

* Kits with S&S heads are machined special to compensate for engine height change to accommodate a stock length manifold.

* When using a kit with stock cylinder heads, S&S recommends using the appropriate length manifold.

* For a 124ci with stock OEM cylinder heads, the standard manifold length is 417.

Tech Tips:-

* Requires the following items to complete the installation.

* Throttle Body, Manifold, Flanges & Seal Kit # HPI-58D1-18 or # SS11-0451 for Carburettor Models.

* Maximus Tuner # TR4-002-002 or similar.3. Crankcase Machining, Timken Bearing # SS31-4013, Replacement Timken Sleeve # JM-956 & Complete Timken Bearing Conversion Tool # JM-959 if required.

Proudly Made in the USA by S&S Cycle!