To use the LT5 throttle body on LT1/LT4 applications
KAT-A7165 - 95mm tapered to 87mm
For use with stock LT1 intake manifolds and LT4 superchargers
KAT-A7169 - 95mm straight
For use with LT1 MSD intake manifolds and ported LT4 supercharger snouts
Includes bolts and o-ring
