Designed for the extreme high performance street or allout race car, our Full Manual Competition Transmissions willgive you consistent shifts as well as complete control over shift points. This version (Part# 312000) has a forward shift pattern and requires no vacuum hookups or kickdown linkage. This means there are no external linkages to be purchased, which saves some expense. The increased line pressure provides a harder, quicker shift and eliminates the lag time between shifts produced by automatic shift transmissions.