Fuel Rail Extrusion $12.00 Knock Sensor $60.72 Late Style Throttle Position Sensor $52.88 Late Style Idle Air Control Valve $148.75 MEFI 4B ECU $525.00 LS1/LS2/LS7 Fuel Injection Wiring Harness $575.00 If you don't see what you're looking for please call or e-mail us. Phone: (480) 753-0208 Fax: (480) 753-0216 Hours: 8am - 5pm M-F and 9am - 1pm Saturdays Mountain Standard Time Click Here to E-Mail AZ Speed