Works Bell Rapfix Short Boss/Hub - Mazda RX-7 FC3S (85-92) antenna * Valve Recession is recommended

* Valve Recession is recommended when running Camshafts with Cam lift greater than 10

so no modifications are needed to install

your FK8 will have a better cold air inflow from a bigger and larger design than the stock

Allows for removal of the OEM MAF sensor for improved air flow (requires SP Engineering MAF Block Off Plates sold separately)

Especially for vehicles equipped with GT wings

Works Bell Rapfix Short Boss/Hub - Mazda RX-7 FC3S (85-92) antenna * Valve Recession is recommendedNOTE: Torque spec is 30N m (23 ft lbs) Works Bell of Japan created this short boss steering wheel hub especially for use with their popular Rapfix Quick Release Adapter. Great combo to keep extension minimal.