Isky Cams 1.490 Valve Springs H776427 Flowmaster Axle-back system for the

Flowmaster Axle-back system for the 2016-2018 Camaro SS and 2016-2018 Camaro ZL1 with the 6

Brass sensor included

Provides choice of 1:1 or progressivesecondary throttle actuation for ultimate control of secondary opening rate

fuel resistant nitrileTo us

1957-1969 Ford Ranchero

Isky Cams 1.490 Valve Springs H776427 Flowmaster Axle-back system for theProduct Description: Valve Spring Single Spring Damper 370 lb in Spring Rate 1. 100 in Coil Bind 1. 490 in OD Set of 16 As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train