Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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Design Engineering DEI Oils, Fluids & Sealer

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DEI Radiator Relief

Radiator Relief is simply the best coolant system additive on the market today. It's made for use with water or anti-freeze and is designed to function in two ways: It eliminates high temperatures in your passenger car, street rod, racecar, RV, etc., and will reduce the temp as much as 30 degrees F. It also provides a 50 percent quicker warmup time. This characteristic is not only beneficial to motorsports pros, but also to daily drivers who can enjoy the comfort of heat in half the time on those cold mornings.

4.14 out of 5 stars ( 7 )

$25.99

DEI ATAC Seam Sealers

Design Engineering, Inc. ATAC Seam Sealer is engineered to block out noise and moisture, ensuring a dry, quiet, and comfortable interior. This high-performance sealer effortlessly fills gaps and seals seams in vehicle interiors, offering a powerful barrier against outside elements. Ideal for restoring or upgrading your ride's comfort, DEI's ATAC Seam Sealer provides lasting protection against unwanted road noise and moisture intrusion, helping to preserve the integrity of your vehicle while elevating your driving experience. Features: * Excellent adhesion to bare, primed, and painted surfaces * For use on steel, aluminum, or fiberglass * No sagging, shrinking, or cracking * Ready to paint after only one hour * Urethane based formula remains flexible after drying

Not Yet Reviewed

$27.99

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