Description
This is the best BISS screw you’ll ever own! You know the OEM plastic one… the base idle set screw that loves to dry rot, crack, and strip the Pozi Drive head? FIBA Motorsport has fixed all that. Our billet version is built to last a lifetime. Just install it once, and you’ll never need another. Seriously… one screw for the life of your car.
Installation is as easy as adding a bit of anti-seize on the threads and installing the new BISS screw.
Product details
- Billet Aluminum
- Anodized Gold
- 5mm HEX head (ease of adjustments and pulling of the BISS screw should you need to)
- CNC machined
KEY reasons for this new product version
- Never dry rot like a plastic Biss does
- ZERO pozi drive to round out and cause issues
- If you need to drill the plastic one out, you leave plastic inside your TB and intake manifold – which is NOT ideal!
What the kit includes
- 1x Billet BISS screw in GOLD
- 2x High temp O rings (uses 1 at a time), the other is a spare
- 1x Custom rubber cap for your new Billet BISS screw
Vehicle fitment for MD614948
- 1G DSM (Talon, Laser, Eclipse)
- 2G DSM (Talon, Eclipse)
- Mitsubishi Evo 1-9
- Mitsubishi 3000GT / GTO VR4 (91-99)
- Dodge Stealth R/T 91-96
- Mitsubishi Galant 96-05 (confirm Throttle body first)
NOTES
Once you have installed the BISS screw, it is advised to reset your idle to be correct via your ECU. Failure to do this properly could result in a high/low idle.






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