SKU: 25890 | UPC: 690092141042
Vibrant 3/4in Dia Spark Plug Boot Insulator (4/Pack) Natural color – Universal Fit
Vibrant Spark Plug Boot Insulators deliver high temperature protection through easy slip-on braided fiberglass sleeves that shield spark plug boots and wires from exhaust heat. These 3/4 inch diameter insulators in natural color fit universally on performance engines with standard spark plug boots extending the life of spark plugs and wiring. They require no clearance from hot surfaces and handle up to 1200 deg F (650 deg C).
Key Features
- High Temperature Resistance: Rated for continuous exposure to 1200 deg F (650 deg C) to block radiant heat from headers and exhaust
- Braided Fiberglass Construction: Flexible woven sleeve provides durable insulation without cracking or degrading over time
- Slip-On Design: Installs in seconds over spark plug boots with no tools adhesives or modifications needed
- Precise 3/4in Diameter: Secure fit on standard spark plug boots common in LS Ford Modular and other performance V8 engines
- 4-Pack Quantity: Complete set covers inline 4 cylinder V6 V8 and V10 engines for full protection
Product Notes
- Slide insulators onto boots after spark plug wire installation for best results
- Inspect sleeves every 10k miles for wear in high heat applications
- Packaged in protective poly bag to prevent damage during storage
Installation Notes
- Professional installation recommended.
- Clean spark plug boots before slipping on insulators for optimal adhesion
- Compatible with all aftermarket and OEM spark plug wires using 3/4in boots
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All w/ 3/4in Boots | Performance Engines |
| 1997-2020 | Chevrolet | Corvette | LS1 LS6 LS2 LS3 LS7 |
| 1999-2019 | Chevrolet | Silverado 1500 | 5.3L 6.0L 6.2L |
| 2004-2019 | Ford | Mustang | 4.6L 5.4L Modular |
| 1997-2013 | GM | Camaro Firebird | LS1 LT1 |
Why Choose Vibrant?
- Established leader in performance exhaust and engine protection components
- USA manufactured with premium materials for racing and street use
- Engineered for extreme heat and vibration in high horsepower builds
Frequently Asked Questions
- Q: What spark plug boots does this fit
A: Fits any 3/4 inch diameter spark plug boots on LS GM Ford and most domestic performance engines - Q: What material are these insulators made from
A: Braided fiberglass rated for 1200 deg F continuous protection flexible and heat reflective - Q: How do I install these and is there a warranty
A: Slip on over boots after wiring installation Vibrant offers manufacturer defect coverage contact support for details
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact poly bag 6in x 4in x 1in
- Weight: 0.1 lbs
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