# S&S Cycle 99-06 Twin Cam 88 A Engines 4-1/8in Bore S&S Stud Pattern Crankcase - Wrinkle Black This 4-1/8" wrinkle black S&S® stud pattern crankcase for 1999-'06 HD® Twin Cam 88®A engines (except 2006 HD® Dyna®) is much stronger than stock crankcases in every aspect. It has an extra large front motor mount for increased strength. The large cam chest allows cam lift up to .675" without clearancing, Timken® style sprocket shaft bearings withstand the most demanding applications. The S&S crankcase breather reed valve eliminates oil carry-over and oil scavenging problems. Clearanced for strokes up to 5". All passages between the crankcase and the cam support plate are o-ring sealed. - Kit includes S&S crankcase, S&S breather reed valve, pinion and Timken® bearing and hardware This Part Fits: Year Make Model Submodel 1999-2006 Harley-Davidson FLHR Road King Base 2004-2006 Harley-Davidson FLHRS Road King Custom Base 1999-2006 Harley-Davidson FLHT Electra Glide Standard Base 2003 Harley-Davidson FLHTC Electra Glide Classic Base 2006 Harley-Davidson FLHX Street Glide Base 1999-2002 Harley-Davidson FLTR Road Glide Base 1999-2005 Harley-Davidson FXD Dyna Super Glide Base 2005 Harley-Davidson FXDC Super Glide Custom Base 1999-2005 Harley-Davidson FXDL Dyna Low Rider Base 1999-2005 Harley-Davidson FXDWG Dyna Wide Glide Base 2001 Harley-Davidson FXDWG2 CVO Dyna Wide Glide Base 2002 Harley-Davidson FXDWG3 CVO Dyna Wide Glide Base 1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base 2004-2005 Harley-Davidson FXDXI Dyna Super Glide Sport Base 2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base ## Details - **Price:** 3081.86 CAD - **Vendor:** S&S Cycle - **Type:** Crankshafts ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 3081.86 CAD | In stock | ## Images - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/s-s-cycle-99-06-twin-cam-88-a-engines-4-1-8in-bore-s-s-stud-pattern-crankcase-wrinkle-black) > Updated: 2026-07-13