Spring, Cr-Si Ht High Travel 3.570" 10" X 350 Lbs/In. Pigtail Silver Pc 1993-pontiac-firebird-esi6766158 These are designed longer than

These are designed longer than factory arms

providing 361 valving combinations

Vis at 40 degrees C 34

The bolt-in design features high-quality materials

header bolts and hardware to complete the installation

Spring, Cr-Si Ht High Travel 3.570" 10" X 350 Lbs/In. Pigtail Silver Pc 1993-pontiac-firebird-esi6766158 These are designed longer thanAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of high travel springs with a silver powder coated finish. Made in the USA, these 2" I. D. high travel springs are manufactured from specially designed high tensile, chrome silicon alloy spring wire, which allows them to have fewer coils and a smaller wire diameter. As a result, these springs are lighter and have increased travel due to the larger distance between the coils.