
Pros -
They protect your boots and Plugs
Cons -
If your headers and your plug boots are touching nothing will change the fact that you need wires with ceramic boots,
5 Stars for what they are 2 stars for what they are not.
These damn good job of protecting my spark plug wire boots, for the one cylinder where the boot was touching the header, these do a great job but cant break the laws of physics, if you have spark plug boots close to your headers these will protect them and lengthen the life of the plugs and boots considerably, if you have after market headers and your boots touch the header you'll need wires with ceramic boots.
These fit well over the boots of my cables. The boots are surrounded by metal sleeves that "protect the boot" but always ended ruining the rubber by therm-cycleing it and making it brittle over time. I installed these and now the rubber is still nice and rigid.I would highly recommend it if you're having troubles with cracking/brittle cable boots near the spark plugs.
These are ran directly touching my long tube headers with over 5k miles plus break in and not even stiff rubber on the wire boots yet.
Works so far. Hadn’t driven
Easy to install, protects my plug wires from the heat of my headers. Looks nice. One less thing to worry about

Feature Product
- Replace OEM Part Number: SBC BBC 350 454,Length: 15.2cm / 6inch. Diameter: 2.2cm. Fahrenheit Temperature: 1200 degree.Celsius Temperature: approx. 650 degree
- NOTE: only fit for vehicles which burning petrol,Material: high temperature resistant glass fiber material and treated with a proprietary coating
- 8 Black Spark Plug Wire Boot Sleeves,Made From Double Wall Braided Fiberglass Sleeving,Fits All Spark Plug Boots And Wires Up To 1200 Degrees Fahrenhett
- Compatible:1) For most straight or angled boots.2) For most hot rods and classics engines, such as 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines.
- Easy Installation: Just Slip On (Sewn End Over Spark Plug ) For Maximum Protection ,Sleeves Can Withstand Heat Up To 1200 Degrees Using Patented Insultherm Technology
Description
Description:
Material: high temperature resistant glass fiber material and treated with a proprietary coating
Length: 15.2cm / 6inch
Diameter: 2.2cm
Fahrenheit Temperature: 1200 degree
Celsius Temperature: approx. 650 degree
Manufacture Part Number: SBC BBC 350 454
Item included: spark plug boot protector x 8
Set of 8 Black Spark Plug Wire Boot Sleeves
Made From Double Wall Braided Fiberglass Sleeving (Triple Wall At Sewn End)
Fits All Spark Plug Boots And Wires Up To 1200 Degrees Fahrenhett (648.89° C)
Each Boot Is 6inch Length,Boots Will Work With 90 Degree, 45 Degree, And Straight Spark Plug Boots
Easy Installation: Just Slip On (Sewn End Over Spark Plug ) For Maximum Protection
Compatible:
1. For most straight or angled boots
2. For most hot rods and classics engines, such as 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines.
Note: only fit for vehicles which burning petrol
Feature:
1. Extreme protection of spark plug boots and wires.
2. Double-wall construction for added durability.
3. Helps prevent burn-through, hardening and cracking of boots.
4. Non-flammable & protects against chemicals & resists water.
5. Withstands 1200 degrees Fahrenheit direct continuous heat.
6. Easy installation, you can do it in seconds.
Very thick, somewhat flexible, should do the job perfectly.
Very good quality item, slipped on the sparkplug boot with ease and the are the elbow type
Nice, inexpensive heat shields for your LS plug wires when running headers. I would buy again.
these work perfectly near the headers to deflect heat away and make your wires last longer
Good fit

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