Engine & Fuel System
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OMIX 17256.37 Tune Up Kit for 00-06 Jeep Wrangler TJ with 4.0L Engine
OMIX
$/week$44.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: 1-2 hours Parts Included 1 Air Filter6 Spark Plugs1 Oil Filter Warranty 5 Year Limited Warranty Engine Size: 4.0L I-6Engine...$44.99 -
OMIX 17256.04 Ignition Tune Up Kit for 97-98 Jeep Wrangler TJ with 4.0L
OMIX
$/week$79.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: 2-3 hours Parts IncludedTune Up KitWarranty Minimum 5 Year Limited Warranty. Engine Size: 4.0L I-6Engine Fuel: GasolineShipping...$79.99 -
OMIX 17256.25 Ignition Tune Up Kit for 99-00 Jeep Wrangler TJ with 4.0L
OMIX
$/week$109.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: 2-3 hours Parts IncludedTune Up KitWarranty Minimum 5 Year Limited Warranty. Engine Size: 4.0L I-6Engine Fuel: GasolineShipping...$109.99 -
Crown Automotive TK43 Crown Tune-Up Kit for 03-06 Jeep Wrangler TJ with 2.4L Engine
Crown Automotive
$/week$60.29Description Learn More Specs Fitment These Tune Up Kits will help keep your vehicle running strong. Complete Jeep tune-up kit. All you need to tune up your vehicle all in one box!$60.29 -
Crown Automotive TK49 Tune-Up Kit for 00-06 Jeep Wrangler TJ & Unlimited with 4.0L 6 Cylinder Engine
Crown Automotive
$/week$38.69Description Learn More Specs Fitment These Tune Up Kits will help keep your vehicle running strong. Complete Jeep tune-up kit. All you need to tune up your vehicle all in one box! Installation NotesInstallation Difficulty:Level...$38.69 -
Crown Automotive TK-25 Tune-Up Kit for 1999 Jeep Wrangler TJ wtih 4.0L 6-Cylinder Engine
Crown Automotive
$/week$68.39Description Learn More Specs Fitment These Tune Up Kits will help keep your vehicle running strong. Complete Jeep tune-up kit. All you need to tune up your vehicle all in one box! Installation NotesInstallation Difficulty:Level...$68.39 -
Accel TST16 Super Tune-Up Kit for 94-99 Jeep Wrangler YJ, TJ, Cherokee XJ & ZJ with High Output 4.0L 6 Cylinder
Accel
$/week$98.06Description Learn More Specs Fitment These kits include everything you need to Super Tune your Jeep vehicle! Features ACCEL custom fit wire set, ACCEL distributor cap & rotor and ACCEL spark plugs. Kits include 8mm custom fit Extreme 9000 wire set...$98.06 -
Crown Automotive TK-4 Tune-Up Kit for 97-98 Jeep Wrangler TJ with 4.0L 6 Cylinder Engine
Crown Automotive
$/week$69.29Description Learn More Specs Fitment These Tune Up Kits will help keep your vehicle running strong. Complete Jeep tune-up kit. All you need to tune up your vehicle all in one box! Some early 1999 models were equipped with distributors and plug...$69.29 -
AIRAID 310-511 PowerAid Throttle Body Spacer for 91-02 Jeep Wrangler YJ, TJ, Cherokee XJ & Comanche MJ with 2.5L I4 Engine
AIRAID
$/week$139.99Description Learn More Specs Fitment Bolt On Horsepower!The PowerAid Throttle Body Spacers from AIRAID Premium Filter Company are designed to greatly improve the low-end torque and horsepower characteristics of your engine. PowerAid accomplishes this...$139.99 -
Rough Country 1068 Throttle Body Spacer for 84-06 Jeep Wrangler YJ, TJ, Cherokee XJ, & Comanche MJ
Rough Country
$/week$59.95Description Learn More Specs Fitment Improve the performance in your Jeep with the Rough Country Throttle Body Spacer This 100% bolt-on upgrade easily attaches to your Jeep with no tuning or re-programming necessary. This aluminum throttle body...$59.95 -
Rugged Ridge 17755.01 Throttle Body Spacer for 91-02 Jeep Wrangler YJ & TJ with 2.5L Engine & 91-06 YJ, TJ & Cherokee XJ with 4.0L Engine
Rugged Ridge
$/week$79.99Description Learn More Specs Fitment The Rugged Ridge Throttle Body Spacer raises the throttle body 1 in. above the intake manifold. The lift helps optimize power and performance by drawing in colder denser air. The large bore design allows your...$79.99 -
aFe Power 46-35001 Silver Bullet Throttle Body Spacer for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ & Grand Cherokee WJ with 2.5/4.0L
aFe Power
$/week$137.00Description Learn More Specs Fitment Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet...$137.00