GMC W-Series EFI Systems & Components

Painless Performance®Gen III Throttle by Wire Standard Length Harness (60221)
0
# mpn359117961
Gen III Throttle by Wire Standard Length Harness (60221) by Painless Performance®. This standard length harness allows four feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to...
Painless LS swap wiring harnesses make getting your engine swap wired a simple taskHigh quality at an affordable price
$1,006.99
Fast®XFI 2.0 Electronic Fuel Injection Kit
4
# sp221586
XFI 2.0 Electronic Fuel Injection Kit by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
Built-in wide-band O2Fully sequential or bank-to-bank capability
$4,581.95 - $5,805.95
Fast®XFI 2.0® Electronic Fuel Injection Kit (3012350-10P)
4
# mpn4648982015
XFI 2.0® Electronic Fuel Injection Kit (3012350-10P) by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. Manufactured using the highest grade materials and the latest technology,...
Built-in wide-band O2Fully sequential or bank-to-bank capability
$5,463.95
Fast®XFI 2.0® Electronic Fuel Injection Kit (3012350-05P)
4
# mpn4648981988
XFI 2.0® Electronic Fuel Injection Kit (3012350-05P) by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. Manufactured using the highest grade materials and the latest technology,...
Built-in wide-band O2Fully sequential or bank-to-bank capability
$4,682.95