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1999 GMC K1500 Brands
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Key Features:- Double System Intermediate Pipe
- H-Pipe
- 2.5 in. Dual Inlets
- Requires Gasket PN[31575]
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.7L V8 GAS
$184.09 -
Key Features:- Diamondstep Universal Rear Bumper
- Silver
- Mount Kit Required
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT
$272.92 -
Key Features:- Block With U-Bolt Kit
- 4 in. Lift
- Incl. 2 Cast Iron Riser Blocks
- 4 U-Bolts
- 8 Heavy Duty Flat washers
- 8 Hi-Nuts
- For IFS
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$121.18 -
- Gray
- 2 pc. Front
Fitment:
1999 GMC K1500 Extended 2 Door Cab, Extended 3 Door Cab, Extended Cab, Regular Cab / Gray
$91.79 -
- Tan
- 2 pc. Front
Fitment:
1999 GMC K1500 Extended 2 Door Cab, Extended 3 Door Cab, Extended Cab, Regular Cab / Tan
$90.26 -
- Black
- Universal
- Center Hump
- For Use w/o Shifter or Console
Fitment:
1999 GMC K1500 Black
$59.99 -
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.7L V8 GAS
$61.75 -
Key Features:- Sportsman 1-Piece Grille Guard
- Steel
- Black Finish
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT
$837.99 -
Key Features:- Sportsman 1-Piece Grille Guard
- Polished Stainless Steel
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT
$1,021.16 -
Key Features:- Add-A-Leaf Kit
- Long Style
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$114.38 -
Looking to reduce body roll from your lifted ride and enhance your suspension for sportier cornering and better handling? Skyjacker Sway Bars provide the ticket! Constructed from trail-tough 4140 steel, these heavy-duty sway bars from Skyjacker will significantly improve your on and off road vehicle handling, providing a more level ride and a perfect fit on your year, make and model! What's more, you'll be able to set your on deflection of the sway bars depending on the drive terrain. Each bar comes finished with a zinc coating to prevent rust, corrosion and damaging oxidation.Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$62.97 -
Looking to reduce body roll from your lifted ride and enhance your suspension for sportier cornering and better handling? Skyjacker Sway Bars provide the ticket! Constructed from trail-tough 4140 steel, these heavy-duty sway bars from Skyjacker will significantly improve your on and off road vehicle handling, providing a more level ride and a perfect fit on your year, make and model! What's more, you'll be able to set your on deflection of the sway bars depending on the drive terrain. Each bar comes finished with a zinc coating to prevent rust, corrosion and damaging oxidation.Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$72.78 -
Key Features:- Premier 6 in. Oval Nerf Step bars Cab Length
- 75 in.
- Polished Stainless
- Does Not Include Mount Kit
- vehicle specific Mount Kit Must Be Purchased Separately
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / Extended 2 Door Cab, Extended 3 Door Cab, Extended Cab
$454.15 -
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.7L V8 GAS / Offset/Center / 2.50" / 2.50"
$196.77 -
Key Features:- Shorty Tuned Length Exhaust Header Kit
- Chrome
- CNC-Series Performance
- CNC Mandrel Bent 1.625 in. Tubing
- Direct Fit Design
- Incl. New Gaskets/Hardware
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$499.99 -
Key Features:- Shorty Tuned Length Exhaust Header Kit
- Silver Ceramic
- CNC-Series Performance
- CNC Mandrel Bent 1.625 in. Tubing
- Direct Fit Design
- Incl. New Gaskets/Hardware
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$549.99 -
JET Power-Flo Throttle Body Spacers feature a superior bore design is able to smooth out and speed up incoming airflow, creating a compacted air-charge which enters the throttle body and builds pressure in the combustion chamber! The spacers guarantee substantial gains in the midrange power band and improved fuel economy. Free shipping to all of USA!
Key Features:- Jet Power-Flo TBI Spacer
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$106.49 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Power Control Module Stage 1
- 50 State Legal
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$249.71 -
JET Stage 2 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Power Control Module Stage 2
- 50 State Legal
- Requires Use Of 91 Octane Fuel/180 Degree Thermostat/Free Flow Exhaust
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$257.21 -
JET EZ-Tune Programmers presents you with proven and economical performance programming, allowing you to tune your engine without making any changes to your transmission shifting, shift points, and speed/rev limiters! The programmers are essentially a scan tool which is able to read and clear diagnostic trouble codes, yet comes with the Tri-Power tuning of full version programming modules for regular, mid-grade, or premium fuel. The units are also upgradeable to a full-performance version. Free shipping to all of USA!
Key Features:- EZ-Tune Programmer
Fitment:
1999 GMC K1500 Sierra SL, Sierra SLE, Sierra SLT / 5.0L V8 GAS, 5.7L V8 GAS
$262.46