Put the shifter closer to the steering wheel and get shorter, more direct shifts with this billet race shifter box from Bull Boost Performance. It bolts to the factory shifter location and gives your NA or NB Miata a much more solid and mechanical shift feel.
This is more than a shorter factory-style lever. The tall shifter is easier to reach while the bearing-supported mechanism helps you move through the standard H-pattern quickly and accurately. The billet aluminum construction, stainless steel hardware and Teflon-coated sliding inserts are built to handle street, track and drift use.
Fitment Information
- Mazda MX-5 Miata NA with 5-speed manual transmission (1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997)
- Mazda MX-5 Miata NB with 5-speed manual transmission (1999, 2000, 2001, 2002, 2003, 2004, 2005)
- Mazda MX-5 Miata NB1 with compatible 6-speed manual transmission (1999, 2000)
Important Fitment Notes
- Manual transmission applications only
- Does not fit automatic transmissions
- Does not fit NC or ND Miata models
- Bull Boost lists a 15mm shifter shaft tip and 19mm turret opening for this application
- Measure your factory shifter connection before ordering, especially if the transmission has been swapped
- The manufacturer specifically lists the 6-speed application for NB1 models
Specs & Features
- Billet race-style short shifter assembly
- Maintains the standard H-pattern shift layout
- Tall lever places the shifter closer to the steering wheel
- Designed for faster and more accurate gear changes
- High-grade aluminum shifter and frame
- Precisely CNC-machined aluminum construction
- Bearings support the angular and rotational movement of the shifter
- Teflon-coated sliding inserts
- Stainless steel mounting hardware
- 15mm shaft tip diameter
- 19mm turret opening
Installation
The shifter installs at the factory mounting points without changing the transmission linkage. Before reinstalling the center console, move the shifter through every gear and make sure it fully engages fifth and reverse.
The taller race-style assembly may require changes to the factory shift boot or console depending on how you want the interior finished. Bull Boost also recommends checking the condition of the engine mounts before installation, since worn mounts can allow drivetrain movement during hard shifts.
What's Included
- Billet short shifter assembly
- Aluminum shifter lever and frame
- Bearings and Teflon-coated sliding inserts
- Stainless steel mounting hardware
Pairs Well With
- ACT Heavy Duty Clutch Kit for Mazda Miata NA/NB – Upgrade the clutch while tightening up the shift feel, especially if your Miata makes more power than stock.
- ACT Streetlite Flywheel for Mazda Miata NA/NB – Help the engine rev more freely and pair the quicker response with the shorter movement of the Bull Boost shifter.
- ISR Clutch Line for Mazda Miata NA/NB – A good addition when you want a firmer clutch pedal and a more direct feel through the entire shift.
About Bull Boost Performance
Bull Boost Performance offers affordable performance parts for popular import and European platforms. Their lineup includes exhaust components, intake parts, chassis upgrades, shifters and fabrication parts for street, track and project cars.
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