Looking for aftermarket parts to modify or upgrade your Avanti II with programmers & tuners? At Tunersports.com we carry a huge selection of the top name brand performance programmers & tuner parts and accessories for your II.
Whether you have a 1980 or 1991 Avanti II in Base to GT trim we have you covered. We have 14 programmers & tuners available to mod your II. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 3012350-05FAST now offers bolt-on XFI 2.0 Kits to install fully sequential EFI on Small and Big Block Chevy and Small Block Ford engines from mild street rods to 1,000 HP all-out race cars. XFI 2.0 Fuel Injection Kits include carefully matched components, including the XFI 2.0, Dual-Sync Distributor, a single... FAST Efi Kit Complete SBC 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $4,581.95 |
 SHIPS FROM MANUFACTURER 3012350-05PFAST now offers bolt-on XFI 2.0 Kits to install fully sequential EFI on Small and Big Block Chevy and Small Block Ford engines from mild street rods to 1,000 HP all-out race cars. XFI 2.0 Fuel Injection Kits include carefully matched components, including the XFI 2.0, Dual-Sync Distributor, a single... FAST Efi Kit Complete SBC 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $4,682.95 |
 SHIPS FROM MANUFACTURER 3012350-10FAST now offers bolt-on XFI 2.0 Kits to install fully sequential EFI on Small and Big Block Chevy and Small Block Ford engines from mild street rods to 1,000 HP all-out race cars. XFI 2.0 Fuel Injection Kits include carefully matched components, including the XFI 2.0, Dual-Sync Distributor, a single... FAST Efi Kit Complete SBC 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $5,386.95 |
SHIPS FROM MANUFACTURER 3012350-10PFAST now offers bolt-on XFI 2.0 Kits to install fully sequential EFI on Small and Big Block Chevy and Small Block Ford engines from mild street rods to 1,000 HP all-out race cars. XFI 2.0 Fuel Injection Kits include carefully matched components, including the XFI 2.0, Dual-Sync Distributor, a single... FAST Efi Kit Complete SBC 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $5,463.95 |
 SHIPS FROM MANUFACTURER 30226-06KITThe next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, the EZ-EFI Fuel system easily bolts onto any carbureted or multi-port application in a single afternoon, making it the easiest EFI system you will ever in... FAST EZ-EFI Self Tuning Fuel Injection System 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $1,179.95 |
 SHIPS FROM MANUFACTURER 303001BTBlow-through applications that are traditionally carbureted now have the option to utilize an EFI setup. This XFI Sportsman-based system replaces the carburetor with an easy-to-install EZ-EFI 2.0 Fuel + Injection System throttle body. It supports up to 15psi of boost and 1000 horsepower on gasoline,... FAST XFI Sportsman Throttle Body EFI Engine Control System 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $2,393.95 |
 SHIPS FROM MANUFACTURER 30226EZ-EFI 1.0 ECU... FAST ECU EZ-EFI Wide-Band Closed 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $762.95 |
 SHIPS FROM MANUFACTURER 30326The FAST EZ-EFI 2.0 Fuel + Ignition works with either generation of EZ-EFI throttle body, multi-port systems and Inglese throttle bodies. It is compatible with in-tank, inline, high horsepower inline, return style and returnless style fuel pumps. Electronic fuel pressure measurement is standard on a... FAST ECU EZ-EFI 2.0 Wide-Band Clos 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $1,152.95 |
 SHIPS FROM MANUFACTURER 30400-KITAs with the EZ-EFI Fuel, simply hook up the system, answer the Setup Wizard questions on the hand-held, and EZ-EFI 2.0 Fuel + Ignition tunes itself as you drive. Its eight-injector, die cast throttle body features late model OEM sensors for accuracy and durability, supports up to 1200 horsepower (th... FAST Engine Control Sys.EZ-EFI 2.0 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $2,799.95 |
 SHIPS FROM MANUFACTURER 30401-KITAs with the EZ-EFI Fuel, simply hook up the system, answer the Setup Wizard questions on the hand-held, and EZ-EFI 2.0 Fuel + Ignition tunes itself as you drive. Its eight-injector, die cast throttle body features late model OEM sensors for accuracy and durability, supports up to 1200 horsepower (th... FAST Engine Control SysEZ-EFI 2In 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $3,433.95 |
 SHIPS FROM MANUFACTURER 30402-KITAs with the EZ-EFI Fuel, simply hook up the system, answer the Setup Wizard questions on the hand-held, and EZ-EFI 2.0 Fuel + Ignition tunes itself as you drive. Its eight-injector, die cast throttle body features late model OEM sensors for accuracy and durability, supports up to 1200 horsepower (th... FAST Engine Control SysEZ-EFI 2In 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $3,043.95 |
 SHIPS FROM MANUFACTURER 304155-06The next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, the EZ-EFI Fuel system easily bolts onto any carbureted or multi-port application in a single afternoon, making it the easiest EFI system you will ever in... FAST EZ-EFI Dual Quad Upgrade Kit 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $874.95 |
 SHIPS FROM MANUFACTURER 30447-06KITThe next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, the EZ-EFI Fuel system easily bolts onto any carbureted or multi-port application in a single afternoon, making it the easiest EFI system you will ever in... FAST EZ-EFI Fuel Injection System In-Tank Fuel Pump Master Kit 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $1,556.95 |
 SHIPS FROM MANUFACTURER 303001Designed for muscle car, late model street and sportsman drag racing engines, along with boosted and individual runner throttle bodyapplications, the FAST XFI Sportsman Engine Control System is a bank-to-bank, fully software-tunable EFI setup. It requires a laptop for tuning and uses FAST C-COM soft... FAST Engine Control System XFI - Sportsman TB 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $2,948.95 |