Earls Brake Booster Check Valve - Billet Aluminum - 90 Degree - 252006ERL _related_air-and-fuel-delivery This bolt-on DOR/DOS (Dual Out

This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) emissions-legal system for trucks with the 5

Voltage: 12-Volt DC

This kit also includes the ACCEL classic copper core spark plugs to fire your engine up

Your Choice of Two Tailpipe Exits

Application 71 Mercury Cougar

Earls Brake Booster Check Valve - Billet Aluminum - 90 Degree - 252006ERL _related_air-and-fuel-delivery This bolt-on DOR/DOS (Dual OutOverview: Earl's billet aluminum brake booster check valve replaces the OEM plastic valve for a clean custom appearance. Choose from black or clear anodized finish & (3) vacuum hose options (3 8" hose barb, 1 2" hose barb, or 6 AN male flare). Fits most brake boosters or vacuum canisters w 13 16" port (inside diameter of the grommet on the brake booster). Features: Billet Check Valve is More Attractive Than Plastic OEM Style Valve Machined from Billet