Brinn Original Aluminum 2-Speed Transmission - 19 in Overall Length Dana - Spicer Pump features a 3/4" main

Pump features a 3/4" main shaft and bearings with a 5/8" pilot and a billet steel hub drilled for both small and large fan bolt patterns

This proportioning valve has six preset points actuated by moving a lever allowing racers to quickly adjust brake bias during a race

The filter media is constructed of 7-layers

Tube / Breather

5" brushed finish

Brinn Original Aluminum 2-Speed Transmission - 19 in Overall Length Dana - Spicer Pump features a 3/4" mainProduct Description: Transmission Original Manual 2 Forward Speeds Reverse Internal Hydraulic Clutch 10 Input Spline 19 in Overall Length Aluminum Case Since 1988, The original Brinn transmission is known as the most reliable, highest quality, best performing transmission for short oval track racing on dirt or asphalt. It is a lightweight, direct drive transmission featuring the lowest rotating weight and moment of inertia available of any