Woolf Aircraft Products 90 Degree Exhaust Bend - 3" Diameter - 3" Radius - 16 Gauge - Steel 935011 4" twin disc clutch has

4" twin disc clutch has been developed for vehicles requiring a holding capacity of 700 to 1600 ft/lbs of torque at the crank

The open design allows degree bushing changes while the wheel is still on the engine

relief spring

this insert also comes with corrosion resistant hardware and a 5-year limited warranty

This tells the ECU which cylinder is cylinder #1 (or the first cylinder in the firing order as entered in the software)

Woolf Aircraft Products 90 Degree Exhaust Bend - 3" Diameter - 3" Radius - 16 Gauge - Steel 935011 4" twin disc clutch hasProduct Description: Exhaust Bend 90 Degree 3 in Diameter 3 in Radius 16 Gauge Steel Natural Sold Individually Specializing in custom cutting, bending, and welding of metal tubing since 1942, Michigan based Woolf Aircraft Products manufactures components for a number of industries from aerospace to defense to performance automotive. They produce a variety of high performance headers and exhaust components to fit a wide range of applications.