1 Product
Fuel Injector Kits
Fuel Injector Kits
Fuel injector kits are collections of components and accessories designed to replace or upgrade the fuel injectors in a vehicle's engine. Fuel injectors are critical components that deliver a precise amount of fuel into the combustion chamber, and these kits can help improve engine performance, fuel efficiency, and emissions.
Fuel Injectors:
- O-Rings and Seals
- Fuel Injector Connectors
- Injector Clips
- Fuel Rail
- Fuel Pressure Regulator
- Fuel Lines
- Fuel Pump
Filter products
- ENGINE
-
POWERSTROKE
- DPF Delete Exhaust
- All In One Kit
- EGR Delete Kit
- CCV PCV Reroute Kit
- DPF Delete Dual Exhaust
- Tuner
- Intercooler Pipe Kit
- Up-Pipe
- Intercooler
- CP4 Bypass Kit
- CCV Recirculating Kit
- Muffler
- Downpipe
- Intake Manifold
- Air Intake Kit
- Radiator
- Oil Catch Can
- Differential Cover
- Coolant Tube
- Valve Cover
- Transmission Pan
- Coolant Expansion Tank
- Exhaust Manifold
- Turbo
-
DURAMAX
- Tuner
- EGR Delete Kit
- CCV Reroute/delete kit
- DPF Delete Exhaust
- DPF Delete Dual Exhaust
- All In One Kit
- Muffler
- Up-Pipe
- Downpipe
- Intake Elbow Bridge Kit
- Intercooler
- Intercooler Pipe Kit
- Air Intake Kit
- Radiator
- Differential Cover
- Valve Cover
- Oil Pan
- Cooler Line Kit
- Fuel Sump Return Kit
- Tonneau Cover
- Coolant Tube
-
DODGE RAM
- Tuner
- EGR Delete Kit
- CCV Reroute/delete kit
- EGT Relocation Kit
- DPF Delete Exhaust
- All In One Kit
- Muffler
- Air Intake Kit
- Intercooler
- Intercooler Pipe Kit
- Radiator
- Valve Cover
- Differential Cover
- Intake Manifold
- Coolant Bypass Kit
- Coolant Leak Repair Kit
- Fuel Rail Plug
- Fuel Tank Sump Kit
- Oil Catch Can
- Oil Pan
- Coolant Tube
- ALL-IN-ONE KITS
- CATEGORIES
- ON SALE
Let customers speak for us
from 5270 reviews
Makes truck breathe better and will definitely blow your y bridge out so do that while you’re in there looks great and fits up pretty good not perfect
Installed this SPELAB EGR Throttle Valve Delete on my 6.7 Cummins and the fitment was perfect. The kit was well made, installation was straightforward, and all the necessary parts were included. Everything lined up as it should and the truck runs great. Highly recommend for anyone looking for a quality replacement component.
I originally had the Banks Monster Ram intake with grid heater delete, and costed $1200. Recently I decided to give Spelab a try for their 3.5” pusher style intake with grid heater delete. Fraction of the price and performs the same. Only regret I have was my purchase of Banks.
Great product
Good product fast sipping was not that bad of a job
Nicely done ✅
Easy installation and everything fit perfectly. The kit is well-made, comes with the necessary components, and worked as expected. Shipping was fast and the quality exceeded my expectations. Highly recommend for anyone looking for a reliable EGR delete kit.
Very impressed with the quality of the cooler. Couldn’t find any instructions for the install. However, I was able to figure it out and plan to post a video for anyone else who may need help with the install.
Installed this on my 2015 6.7 Powerstroke and everything fit perfectly. Quality parts, straightforward install, and noticeable improvement in engine temps and reliability. Would definitely recommend this kit to anyone doing an EGR delete.
Installed on a 2019 Ram cab and chassis with no issues. Fitment was good, quality looks solid, and throttle response feels better. Definitely recommend this intake horn/grid heater upgrade.
Its worked perfectly so far. Make sure to buy one that is the correct size and that there is room for it. The motor is larger then I expected but made it work and ive used it everytime I drive
Perfect fit,excellent craftsmanship,great look,I would recommend this to others
I am very happy with my unpainted cast aluminum cover. I didn’t have any issues with fitment or hardware / sight glass installation. It looks great inside and out. I wish I would’ve taken a picture before reinstalling the spare tire.
2006 F250 (sterling 10.5)
Great solid parts. Install was relatively easy and the kit looks amazing. Going to buy another kit for my 24 Duramax soon.
SPELAB is a great company they have great customer service and great products I ordered their egr block off plate for my 09 dodge ram 3500 6.7 Cummins it is a high quality product it fits great and looks great I want to try their intake horn next and their 5”exhaust system I love their products
Fuel Injector FAQS
Performance injectors have higher flow rates (measured in cc/min or lbs/hr) and better atomization for increased fuel delivery. Stock injectors are matched to factory power levels; upgrading injectors requires supporting mods like a tune, CP3/CP4 pump, and fuel line upgrades.
On a mild tune (up to 50 hp gains), your stock injectors can usually handle the extra fuel. Larger turbos, bigger injectors, or delete tuners pushing 200+ hp gains require injector upgrades to avoid running lean and causing engine damage.
Stock 5.9L injectors are around 120 hp each. For 300–400 hp builds, 180 hp injectors work. For 500+ hp, 200+ hp injectors plus CP3 conversion are typical. Match injector flow to your turbo's airflow capacity and get custom tuning.
Signs include rough idle, white or black smoke at acceleration, power loss, misfire codes (P0200–P0267), and decreased fuel economy. A injector buzz test via OBD scanner checks each coil. Wet injector plugs indicate leaks internally.
Cleaning can restore mildly clogged injectors using ultrasonic cleaning and flow testing. Severely worn injectors (leaking seats, cracked bodies) must be replaced. Remanufactured injectors with new internal components offer the best middle ground for budget builds.
On modern common-rail diesels (LML, 6.7L Cummins, 6.7L Powerstroke), each injector has a unique calibration code programmed into the ECU. Swapping injectors requires updating the code via a dealer-level scan tool or an advanced tuner like EFILive.
Always replace the lower o-rings, seal rings, and copper washers on the fuel line fittings when installing injectors. Reusing old seals risks leaks, air ingestion, and cavitation damage to the new injector. Most injector kits include these parts.
Common causes include contaminated fuel, fuel starvation (causing cavitation), excessive backpressure from a clogged DPF, overheating from running lean, and carbon buildup on tips. High-mileage injectors degrade from wear on the solenoid and pintle.
Bosch is the original equipment supplier for most diesel injectors. Aftermarket Bosch injectors often meet or exceed OEM specs. Remanufactured OEM injectors are rebuilt to factory tolerances. For high-horsepower builds, buying new Bosch or specialized performance injectors is preferred.
Yes for big builds. A stock CP3 pump on a Duramax LML maxes out around 600 hp with larger injectors. Upgrading to a CP3 to CP4 conversion or adding a secondary lift pump prevents fuel supply issues. Fuel lines and rails must also handle increased pressure.
