Seat Back Brace Mount Installation Kit Billet CNC Fits Kirkey Universal NHRA 1.625These universal brackets allow you to connect a seat back brace to a shoulder bar. These clamps are designed to clamp to 1. 625" OD shoulder bar. The bolts, locking nuts, and washers are high quality Grade 8 zinc coated 3 8" diameter. Four CNC clamp halves are included per order. These make installing your seat back brace simple! Because the top is flat, you can simply clamp your parts together temporarily to align everything, then mark and drill the

but no mounting holes are drilled

Machined from 6061-T6 Aluminum

Save some weight

Cool your very high hp BP engine

and none of the parts it does not need

These are CNC cut for an exact fit

Few have gone faster on a BP at any boost level

and this makes it both difficult to assemble and service

*** Note: All brackets are now 100% Billet CNC Machined***

Because the top is flat

Consultation - Turbo Setup for Mazda Miata

to Borg Warner EFR series