S&S Cycle

106-4057

S&S Cycle Twin Cam Engine Case - 4 1/8in Bore with Stock Stud Pattern - Silver Powder-Coat 106-4057

Oil Filters

Replacement Twin Cam A engine cases for stock H-D chassis only (carb and EFI)
Feature greater overall strength than stock crankcases
Strong, dependable Timken-style sprocket shaft bearings
Clearanced for strokes up to and including 5in
All passages between the crankcase cam support plate are O-ring sealed

Replacement Twin Cam A engine cases for stock H-D chassis only (carb and EFI)
Feature greater overall strength than stock crankcases
Strong, dependable Timken-style sprocket shaft bearings
Clearanced for strokes up to and including 5in
All passages between the crankcase cam support plate are O-ring sealed
Compatible with most stock components
Cam chest has clearance for up to .675in lift cams
Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems
Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components
Available with stock bore (ideal for replacement applications), 4in bore (ideal for use with the S&S Super Sidewinder Hot Set Up Kits), and 4 1/8in bore engines with stock or S&S cylinder stud pattern (ideal for custom applications and for use with the S&S 124in Hot Set UpKit)
Available with silver powder-coat or black powder-coat
Made in the USA
This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

This Item Fits the Following Applications:
2005 Harley Davidson FXDCI Super Glide Custom, Fitment Notes: Oil line installation kit is required for installation in 1999-05 Dyna models. This kit includes a special transmission top cover and oil lines.
2005 Harley Davidson FXDC Super Glide Custom, Fitment Notes: Oil line installation kit is required for installation in 1999-05 Dyna models. This kit includes a special transmission top cover and oil lines.
2004-2006 Harley Davidson FLHRSI Road King Custom
2004-2006 Harley Davidson FLHRS Road King Custom
2004-2005 Harley Davidson FXDXI Dyna Super Glide Sport, Fitment Notes: Oil line installation kit is required for installation in 1999-05 Dyna models. This kit includes a special transmission top cover and oil lines.

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