Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) NItrous Oxide Pressure Gauge Filters allow excess fuel to

Filters allow excess fuel to evacuate the injection lines once engine is shut down to help prevent fuel from entering the cylinders

Adapter to add large throttle mounting hole to throttle lever

Manufactured from heavy-duty 35mm (front) and 25mm (rear)DOM steel tubing

Fits First-Gen GM F-body and GM X-body

This auto racing window net fits a window size of 18" High X 24" Wide which is standard and will fit most common racecar window openings

Ferrea 5000 Series Hi Performance Exhaust Valve - SB Chevy - 1.600", 11/32" Stem Diameter, 4.935" Overall Length - (Set of 8) NItrous Oxide Pressure Gauge Filters allow excess fuel toThe 5000 Series Valves have become the alternative for performance engine builders that use competitors "street" or "performance valve". These valves are produced in Ferrea's CNC centers allowing tight tolerances and cost effective design. They feature a one piece forging made from stainless steel, a special heat treatment process, hard chrome stems, and hard tip. Most applications are available in an undercut stem and dished head, while other