Jim Bigley's 1989 Silverado
• Duramax 6600
• ATS Allison Extreme w/triple-lock torque converter
• ATS Co-Pilot module
• Edge Juice with Attitude
• AFE Stage I air intake
• Banks Big Head turbo wastegate actuator
• Kennedy Diesel boost valve (taking it to 32 psi)
• PPE Hot Xcelerator: power increase, raises governor to 4500 rpm, andvehicle speed limiter to 150 mph
• U.S. Diesel Parts single-stage nitrous system with size-78 jet
• Disc brakes
• Randy's Ring & Pinion Yukon Gear 3.42 rear axle w/Eaton Posi limited-slip
• Caltracs traction bars