Transmissions

Drives


OSC Transmissions and Drives:

Transmissions:

All of our O School Choppers come with the our 6 speed OSCA transmission. The ratio's for 1st thru 5th are close ration and the 6th gear ratio is .086 to 1 or 86% of your typical final rpm to mph speed.  eg. 3100rpm @100 mph

OSCA -  6 speed close ratio transmission are available in natural aluminum, polished or black cases with shifter top and trap door in chrome. Our transmission features an MSO number and our 2 year exclusive unlimited warranty. Should fault occur we will replace the OSCA transmission up to 3 years unlimited mileage.

OSCA - 6 speed C/R. natural, black, polished....$1195

OSCR - 5 speed kicker close ratio.................$1699

 

DRIVES:

Chrome inner and outer primary with BDL 8 mm x1 1/2 belt

3" BDL  Belt drive:

Beefy one piece 6061-T6 polished billet motor plate locks the tranny and engine together. Kit includes a 3" wide belt drive uint with polished pressure plate, double row mainshaft bearings and polished aluminum side plate.............$1636

NEW OSC- 1.5 " narrow belt drive by BDL. Get that O School look. Use our exclusive inner engine plate to support your starter and space your engine / tranny. Available for EVO or Shovel applications. 4-5-6 speed tranny

Ask about our MID CONTROLS WITH 1.5 belt setup