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S&S Twin Cam style crankcases are good news for engine builders who want to build Twin Cam TC88A style engines from scratch. S&S Twin Cam style crankcases feature greater overall strength than stock crankcases, especially in the front motor mount, an important consideration in high performance applications. All oil passages between the crankcase and gear cover are O-ring sealed. Timken style sprocket shaft bearing and S&S breather reed valve included. Cases are clearanced for strokes-5" and are compatible with stock components from 1999-2006 models, except 2006 Dyna. Use stock or aftermarket oil pump, cam support plate, gear cover, etc., and order the required oil line installation kit for your application as listed below.

Zodiac can supply Twin Cam style crankcases with your choice of cylinder spigot bore (stock 4.080" to 4.380"), cylinder stud pattern, Twin Cam or Evolution style rear motor mount in silver, black or polished upon Special Order.


S&S Twin Cam "A" Style crankcases for Twin Cam style frames
Natural finish Black finish Bore Size
750085 € 1.828,33 € 1.478,75 750086 € 2.062,74 € 1.610,47 Stock bore
- 750090 € 1.851,76 4 1/8" bore
Oil line installation kits
750816 € 562,81 1999-2005 Dyna
750817 € 166,15 2000-2006 Touring
Service Parts
234634 € 4,27/Each Sold in dealer packs of 10 Oil line seal for ZPN 750816 kit, 4 needed

Recommended Retail Prices include 21.00% sales tax.

Prices exclude shipping, import duties and installation.