Engine Cylinder Head 1999 Pontiac Firebird Both are compatible with stock

Both are compatible with stock or Edelbrock Victor Series aluminum water pumps

Item requires welding and is supplied bare metal

BMRs AAL461 Lower A-arms are fitted with heavy-duty ball joints and greaseable

Each shock is dyno tested

SAE Viscosity Grade 15W40

Engine Cylinder Head 1999 Pontiac Firebird Both are compatible with stockThe Edelbrock #60189 Performer RPM head is designed for use with 1961 79 Chrysler 361 440 c. i. d. Wedge engine applications. The Edelbrock #60189 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat of the pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve