Air and Fuel› Fuel Injection Systems and Components - Electronic

CHEVROLET PERFORMANCE

LT4 Fuel Injector Kit

$617.77

SKU: C05F 19420801

Out of Stock
Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Chevrolet Performance LT4 Fuel Injector Kit is a set of eight direct-injection fuel injectors designed for the supercharged LT4 engine. These injectors provide a flow rate of approximately 140 lbs./hr. at 2,950 psi, offering a higher flow capacity than LT1 injectors. Tuning is required when installing these injectors on non-LT4 applications.
Show original supplier description
LT4 Fuel Injector Kit
Vehicle Symptoms
  • Engine misfires under load
  • Rough idle after cold start
  • Lack of power during acceleration
  • Fuel smell from exhaust
  • Check engine light flashing
Diagnostic Codes
  • P0300 – Random or multiple cylinder misfire Det
  • P0301 – Cylinder 1 misfire Det
  • P0302 – Cylinder 2 misfire Det
  • P0303 – Cylinder 3 misfire Det
  • P0304 – Cylinder 4 misfire Det
  • P0171 – FT Malf (B1)
  • P0174 – FT Malf (B2)
  • P0201 – Injector Ckt/Open - Cylinder 1
  • P0202 – Injector Ckt/Open - Cylinder 2
  • P0203 – Injector Ckt/Open - Cylinder 3
  • P0204 – Injector Ckt/Open - Cylinder 4
Relevant Conversations
  • LT4 fuel injector upgrade for LT1 engine
  • P0300 and P0171 after supercharger install fix
  • Chevrolet Performance 19420801 injector kit review
  • Rough idle and misfire on Gen V LT engine
  • LT4 injectors vs stock LT1 flow rate comparison
  • How to install LT4 injectors on L83
  • Fuel smell and check engine light after cam swap
  • Best injectors for supercharged LT1 1200 hp
  • P0201 injector circuit open on 6.2L V8
  • LT4 injector kit compatible with E85?

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCHEVROLET PERFORMANCE
Part NumberC05F 19420801

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy