QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 175 lb. Transmission Mount It is a sealed unit

It is a sealed unit that you can expect Bilstein's famous consistent

1978-1987 Buick Regal 4

Fits 2001 to 2004 Ford Mustang V8 models with a Tremec 3650 manual transmission

3/8" NPT water jacket thread-in or push-in radiator fin probe

This unit features a Aluminum shroud measuring 22-1/4" wide by 17-5/8" top to bottom and is only 3" in overall depth to offer a precision fit

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 175 lb. Transmission Mount It is a sealed unitPowder Coated, Chrome Appearing Silicon Manganese SteelAll QA1 springs are manufactured using the highest quality chrome silicone. This material offers high strength, consistency and longer life. Cold Wound Heat Treated Shot PeenedAll QA1 springs go through intensive manufacturing processes to ensure consistency, accuracy and durability. Squared EndsAll QA1 springs are ground at both ends to ensure straight, consistent and accurate operation.