Proform AN Hex Wrench Set 67729 Includes (67728/67727) - Adjustable
The 89981 tester even gives you the ability to create an RPM run and let the tester run through the RPM range
1957-1963 Oldsmobile Super 88
1969-1974 GMC C15/C1500 Suburban
5-6 pulse ignition signals (1-12 cylinder engines)
QA1 Pro Coil High Travel Coil-Over Spring Coil-Over 3.500" ID 10.0" Length - 500 lb/in Spring Rate 13460 Proform AN Hex Wrench SetAvailable 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.