Big Block Gearbox-40 Series

This is the 40 Series Reverse Gearbox for the Big Block PowerPack!  This gearbox bolts right in to the Big Block PowerPack bracket and provides you a shiftable, Forward Neutral Reverse gearbox that is designed to mount a 40 Series secondary clutch with  3/4" shaft diameter. Comes with all required mounting hardware and your choice of a 12T 530 Sprocket or 16T 420 Sprocket. Made in China.   Price includes US Tariffs.  Canadian customers please call for pricing.