1984 GMC K-5 Jimmy 4x4 SBC 383 Stroker 4 bolt Main 2-pc Rear main Seal Edelbrock E-Street heads 190CC Thumper Cam Edelbrock Performer Intake Manifold Edelbrock Elite Valve Cover's 4 Barrel Quadrajet carburetor 650 CFM Flow-tech Ceramic Long-Tube Headers 1 3/4 10:4:1 Compression 500 Horsepower 550 Foot Pounds Of torque True Dual 2 1/2" exhaust