Flowtech Purple Hornies GlasspackThe classic Purple Hornie tubular design glasspack mufflers give sound and performance gains that are more than impressive they're wild! The 16 gauge, 3. 5" diameter steel shell encloses an interior spiral louver baffle design that increases exhaust velocity while decreasing backpressure, projecting the sound waves into a temperature fibermat material. Available in an 18" case length with 2. 250" slip fit or choose from three different styles of 3"

250" OD Valve Spring

Using the Centerforce centrifugal weights (where applicable)

2628DB traction bar pivots are required when using the 3/4" relocation position on UMI 2624 brackets or other "Herb Adams mod" style brackets

This Billet Style Cast Aluminum Fluid Control Thermostat with 1/2” NPT ports allows the oil to bypass the cooler until it reaches 180°F at which point the internal thermostatic valve will close and force 100% of the oil through the cooler while maintaining a constant pressure system

causing leakage of damping fluid and increased engine movement

UMI’s Stage 4 kit combines a 4

These hose separators allow for the pairing of two hoses of different size

these A-arms are durable and reliable

The 70 series utilizes Flowmaster's Delta Flow® technology and an enlarged case for improved sound control along with mileage and power gains

ready for your paint color or powder coated UMI red or black

Designed to fit Small Block Chevy engines 1955 to 1986

654" long pushrod set works perfectly with High Energy or Magnum rockers