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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
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Description
Prothane 68-87 GM Big Block Radiator Isolators - BlackLooking to enhance your classic GM Big Block radiator setup? These Prothane Radiator Insulators in sleek black are designed especially for 1968 to 1987 GM Big Block engines to provide superior cushioning and vibration dampening for your radiator. Made with durable materials, these insulators help reduce wear and tear on your radiator by absorbing shocks that may occur during driving or road imperfections. Their black finish matches perfectly with a
Looking to enhance your classic GM Big Block radiator setup? These Prothane Radiator Insulators in sleek black are designed especially for 1968 to 1987 GM Big Block engines to provide superior cushioning and vibration dampening for your radiator.Made with durable materials, these insulators help reduce wear and tear on your radiator by absorbing shocks that may occur during driving or road imperfections. Their black finish matches perfectly with a variety of engine bay colors, providing not only functionality but also a clean, professional look.
Easy to install and engineered to fit precisely, you can trust these insulators to keep your radiator stable and protected as you push your vehicle's performance to the next level. Whether you're restoring a classic muscle car or upgrading your hot rod, these insulators are a smart choice for long-term reliability and style.
Key features include excellent durability, a perfect fit for GM Big Block radiators from 68 through 87 models, and a robust black finish that resists fading and damage over time. Enjoy enhanced radiator protection and reduced noise with these Prothane insulators that reflect the quality enthusiasts expect.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Great product
Size: 3 mm 4.5 mm 6 mm Tire, Number of Items: 3
These bits are great. We use them every day e when patching or plugging tires. Having multiple sizes helps us match the bit to the patch we use.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Easy on the hands
Size: 3 mm 4.5 mm 6 mm Tire, Number of Items: 3
These make it much easier to ream tires that have been punctured. It takes the stress off of your hands, forearms and elbows especially when you’re plugging higher ply tires.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
Handy Tool for Frequent Flat Tire Repairs
Size: 3 mm 4.5 mm 6 mm Tire, Number of Items: 3
Good quality and easy to use. As someone involved in emergency services, we deal with flat tires often, and this tool has been really helpful. The bits are sharp, durable, and make the repair process quicker and cleaner. Great to keep on hand for regular use or in a roadside kit.
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Reviewed in the United States on August 14, 2025
★★★★★ 5
Tire repair done right
Size: 3 mm 4.5 mm 6 mm Tire, Number of Items: 3
Works well, for my high volume automotive repair store.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Makes For Quiet Rides
Model: 10 SqFt(0.95 SqM)
Comparable quality and performance to name brand competitor. It sticks on strong, easy to apply, and does make a difference in sound reduction. Turn your hollow shell sounding vehicle panels into solid sounding walls.
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Reviewed in the United States on March 15, 2026
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