Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 225 lbs. @ 1.950" R03P003XXXXL Precision Tolerances - The Tightest

Precision Tolerances - The Tightest in the Industry

Smooth Gated Shifting

Pair of 50 Series Delta Flow Performance Mufflers

Direct fit for 86-97 Mustangs - Additional fittings may be required to fit other applications

Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 225 lbs. @ 1.950" R03P003XXXXL Precision Tolerances - The TightestTest proven for 700 racing miles, High Endurance Valve Springs are wound from "Super Clean" chrome silicone wire. Perfect for Late Models, Modifieds and other applicatons running up to 8000 RPM. 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