Top 10 Best Mpg 5.3 Vortec Based On User Rating

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1. 8x 9748HH Spark Plug Wires & 41-962 Spark Plugs Set for Cadillac Escalade/ Chevrolet Sliverado Suburban Avalanche/ GMC Yukon SIERRA XL LS2 LS3 LS4 LS7 Engines 4.8L 5.3L 6.0L 1999-2012

8x 9748HH Spark Plug Wires & 41-962 Spark Plugs Set for Cadillac Escalade/ Chevrolet Sliverado Suburban Avalanche/ GMC Yukon SIERRA XL LS2 LS3 LS4 LS7 Engines 4.8L 5.3L 6.0L 1999-2012Buy On Amazon
  • ✅Spark Plug Wires Part Number: 9748HH 9748EE 9748GG 9748HH 349U 349V 350M 350R 748BB 748EE 748HH 88892830 88894393 88894394 748GG XS10388
  • ✅Spark Plug Part Number: 41-962 41962 19299585 19297035 12192192 12192192 12192195 12192195
  • ✅Fits GM Models: For CADILLAC ESCALADE 2002-2006. For CHEVROLET AVALANCHE 1500 2002-2006; For CHEVROLET SILVERADO 1500 1999-2006; For CHEVROLET SILVERADO 1500 CLASSIC 2007; For CHEVROLET SILVERADO 2500 1999-2006; For CHEVROLET SILVERADO 2500 CLASSIC 2007; For CHEVROLET SILVERADO 3500 2001-2006; For CHEVROLET SILVERADO 3500 CLASSIC 2007; For CHEVROLET SUBURBAN 1500 2000-2006; For CHEVROLET SUBURBAN 2500 2000-2006.
  • ✅Fits GM Models: For CHEVROLET TAHOE 2000-2006; For GMC SIERRA 1500 1999-2007; For GMC SIERRA 1500 CLASSIC 2007; For GMC SIERRA 2500 CLASSIC 2007; For GMC SIERRA 3500 2001-2006; For GMC SIERRA 3500 CLASSIC 2007; For GMC YUKON 2000-2006; For GMC YUKON XL 1500 2000-2006; For GMC YUKON XL 2500 2000-2006. For HUMMER H2 2003-2006.
  • ✅Notice & Packing: 8pcs Spark Plugs (41-962) and 8pcs Spark plug wires (9478HH) of 1 box. If you have any questions, please contact us with the frame number, and we will provide you with the most correct advice.

2. High Performance 8Pcs D585 UF262 Ignition Coils Pack Round Type + 8Pcs 8mm Spark Plug Wire Set Part Number 748UU 12622553 12656210-15% More Energy

High Performance 8Pcs D585 UF262 Ignition Coils Pack Round Type + 8Pcs 8mm Spark Plug Wire Set Part Number 748UU 12622553 12656210-15% More EnergyBuy On Amazon
  • Premium Materials: Coils are made from high quality isolating epoxy, copper wires imported from Germany, stainless steel spring with ferrite core; Fiberglass braid and carbon impregnated fiberglass core of Spark Plug Wires for added strength and superior conductivity
  • Replacement Coils Pack Part Number: D585, E254, E254P, C1251, UF262, IC413, IC41310457730, GN10119,5C1082, 245262, 247733, 521647, 10457730, 12563293, 19005218, 8104577300
  • To avoid fitment issue: DO NOT only check the vehicle type, because the same vehicle type may use different shapes of coils, ROUND or SQUARE. To avoid fitment issue, you also need to look in your engine compartment to double check the coil shape. These ignition coils are ROUND!
  • Round Ignition Coils Fitment: Perfect for Chevrollet GMC Buick Hummer Isuzu Cadillac 4.8L 5.3L 6.0L 8.1L V8; Please double check for the fitment details in the descriptions and part number, and make sure your original coils is round type before purchasing.
  • Complete Ignition Coils Pack: 8 Pieces D585 ignition coils + 1 Set Spark Plug Wires (8pcs) + 1 Set Wire Separator Loom; Benefits: Improves throttle response & gas mileage, reduces misfire, ensure for long lasting use and high performance after long journey on the road; 12 months warranty for free replacement or refund

3. TARAZON Fit for Chevrolet Throttle Body Spacer Kit, for Chevy Silverado Suburban 1500 GMC SIERRA 4.8L 5.3L 6.0L 1999-2007

TARAZON Fit for Chevrolet Throttle Body Spacer Kit, for Chevy Silverado Suburban 1500 GMC SIERRA 4.8L 5.3L 6.0L 1999-2007Buy On Amazon
  • Manufactured from the highest quality machine finished aluminum.
  • Brand New Throttle Body Spacer Kit with spiral groove fits 4.8L 5.3L 6.0L from 1999-2007. If you have a 2007 please make sure that you don’t need the 4 bolt spacer!(Very few need)
  • Designed to improve gas mileage & provide additional performance with your Cool Air Intake system.(2 TO 4 MORE MPG , ADD 4-6 MORE HP UP TO 20HP WITH OTHER MODS.),Torque gains between 900 to 3500 RPM. Gas mileage could increase 2-4 miles per gallon. Performance level may vary depending on driving condition and style.
  • Creates better engine cylinder filling and can be used with any grade of fuel for more power and economy.
  • For 1999-2007 CHEVY SILVERADO GMC SIERRA 4.8L 5.3L 6.0L.

4. STAR BRITE Star Tron Enzyme Fuel Treatment – Concentrated Gasoline Formula – 1 oz. Treats 16 Gallons – 32 OZ (093032SS)

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Gasoline Formula - 1 oz. Treats 16 Gallons - 32 OZ (093032SS)Buy On Amazon
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)

5. Brian Tooley Racing BTR Vortec Truck Stage 2 Cam and Spring Kit 4.8 5.3 6.0 Includes Beehive Springs and Valve Seals

Brian Tooley Racing BTR Vortec Truck Stage 2 Cam and Spring Kit 4.8 5.3 6.0 Includes Beehive Springs and Valve SealsBuy On Amazon
  • Brian Tooley Racing BTR Truck Stage 2 Camshaft Kit 4.8 5.3 6.0 Camshaft and Beehive Springs and Valve Seals
  • The Brian Tooley Vortec Racing Truck Cam Kit includes: Stage 2 Truck Cam, Beehive Springs and LS Hat Seals
  • These Vortec Truck cams use a 3 bolt cam gear and were designed with low lift so GM LS2, LS3 and LS6 springs and pushrods can be used, making these the most affordable truck cams available.
  • The Stage II cam has more of a noticable idle, with even more average torque production than the Stage I cam, at the sacrifice of some low end torque and fuel mileage.
  • This is the largest cam we recommend to run with stock 4L60E converter in a 4.8/5.3. Specs are 212/218 .553/.553 111

6. ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-BlackBuy On Amazon
  • Classic design, fast scan and erase trouble codes, even a beginner can use it read the error code, find out what the problem is and perhaps fix it. Save money and time. It can not read and erase ABS, SRS(Airbag), and other systems fault codes.
  • Works on MOST 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports English, German, French, Spanish, Finnish, Dutch, Russian and Portuguese.
  • Easily determines the cause of the check engine light. I/M monitor readiness test, turn off the MIL (check engine light) as well as view freeze frame data. Read hard (memory) / pending (intermittent) and historic codes and show definitions.
  • The AD310 scanner is well built with a large LCD display (128 x 64 pixel) that has white backlight and contrast adjustment, indicates test results directly. No need any Batteries or Charger, gets the power directly from the OBDII Data Link Connector in your vehicle.
  • It’s equipped with a 2. 5 feet long cable and made of a very thick flexible insulator. There are 4 buttons on AD310. The Up and Down button for scrolling the menu, the Enter and Exit button allow for navigation back and entering menu.

7. BLACKHORSE-RACING 4″ Cold Air Intake System Kit with Heat Shield Filter Compatible with Chevy GMC 1999 2000 2001 2002 2003 2004 2005 2006 V8 4.8L/5.3L/6.0L(Black)

BLACKHORSE-RACING 4Buy On Amazon
  • 【Specification】Dimensions: (9.67 x 11.81 x 9.45)” / 950 x 30 x 24)cm (L x W x H).
  • 【Cold Air Intake Kit 】It’s the ultimate performance Cold Air Intake Kit with Heat Shield， The air intake kit can help your engine to draw in more cold air resulting in better throttle response and higher explosive horsepower output.
  • 【Advantage】High quality and efficient air intake system, fits automatic and manual transmission, the filters are washable, reusable and easy to install with tools commonly available.
  • 【Efficacy】Designed to increasing 8-10% horsepower & 6-10% torque, and creating an attractive intake noise.
  • 【Compatible with】1999 2000 2001 2002 2003 2004 2005 2006 V8 4.8L/5.3L/6.0L(Don’t fit 2006 ford f250 lariat 6.0).

8. Single Turbo Hotparts Kit Turbocharger Vortec V8 LS 4.8 5.3 6.0 Silverado Sierra

Single Turbo Hotparts Kit Turbocharger Vortec V8 LS 4.8 5.3 6.0 Silverado SierraBuy On Amazon
  • Single Turbo Hotparts Kit Turbocharger Vortec V8 LS 4.8 5.3 6.0 Silverado Sierra

9. OBDLink MX+ OBD2 Bluetooth Scanner for iPhone, Android, and Windows

OBDLink MX+ OBD2 Bluetooth Scanner for iPhone, Android, and WindowsBuy On Amazon
  • Turn your iPhone, Android device, or Windows PC into a professional-grade diagnostic scan tool
  • Recommended adapter for FORScan, Torque, BimmerCode, Dashcommand, AlfaOBD, Carista and many more
  • Enhanced OEM support for Ford, GM, Mazda, Nissan/Infinity, Toyota/Lexus/Scion, Honda, Hyundai, Kia
  • Clear Check Engine Light and get more live parameters (ABS, SRS, TPMS, etc) than any other scanner
  • Over-voltage and battery drain protection, firmware updates

10. JET 76101 Powr-Flo Throttle Body

JET 76101 Powr-Flo Throttle BodyBuy On Amazon
  • Aircraft quality CNC machined 356 aluminum castings
  • Unique design improves air velocity
  • Improved Throttle Response
  • Includes updated electronics pre-installed
  • Compatible with other performance upgrades

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