Derale Perf Deluxe Adjustable Controller with Pipe Threaded Probes # DER-16749 Rate_12 these headers are designed to

these headers are designed to fit the vehicle as it came from the manufacturer

50 gph/190 lph

Fits 1-1/4" hole

2 Groove Crank Pulley (SBCS2CR)

Includes Bracket and All Hardware

Derale Perf Deluxe Adjustable Controller with Pipe Threaded Probes # DER-16749 Rate_12 these headers are designed toDerale Perf Deluxe Adjustable Controller with Pipe Threaded Probes # DER 16749 Fan Control, Thermostatic, Adjustable, 150 to 240 Degrees, Kit Thermal Switch Style: Fan control kit Sending Unit Style: Thread in Sending Unit Included: Yes Sending Unit Thread Size: 3 8 18 NPT Fan Quantity: Single Dual Adjustment Range (F): 150 240 degrees F Relay Included: Yes Wiring Harness Included: Yes Manual Override Switch Included: No Air Conditioning Relay