As low as $538.45/mo with or . (Pay in 4 interest-free payments)
S&S CYCLE Crankcase for Dyna (Wrinkle Black) – 3.937" Bore Upgrade or rebuild your Dyna with the S&S CYCLE Crankcase engineered for strength, fit, and performance. Built from premium 356-T6 aircraft-grade aluminum with a tough wrinkle black powder coat finish, this crankcase helps deliver a stock-looking foundation that’s built to last. This 4.125" bore crankcase is ideal as a custom engine foundation or as a replacement for T111, T124, or T143 . Designed with advanced machining and reinforcement for modern oil line setups. Key Features Stock-inspired appearance with thicker wall sections for increased strength Reinforced front motor mount for added durability Timken® sprocket shaft bearing for demanding applications Clearanced for strokes up to 4-3/16" and cams up to 0.720" lift Includes pinion and Timken® bearing Machined for new S&S oil line installation kits (sold separately) Includes studs and cam bearings installed , plus MSO Made in the USA Specifications Bore Size: 3.937" Color/Finish: Wrinkle Black, powder-coated Material: 356 T-6 Aluminum Riding Style: Street Product: Crankcase (Each) Weight: 35.8 lbs | Dimensions: 18.7" x 16.25" x 12" Note: Requires an oil supply line installation kit (sold separately).
4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or T143
Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum
Tough powder coat finishes
Reinforced front motor mount for extra strength
Timken® sprocket shaft bearing – Strong enough for the most demanding applications
Clearanced for strokes up to 4-3/16" and cams up to 0.720" lift
Includes pinion and Timken® bearing
Manufacturer's Statement of Origin (MSO) included
Includes studs and cam bearings installed
Crankcases are specially machined for the new S&S oil line installation kits sold separately
or 
. (Pay in 4 interest-free payments)
