Covers open ports on valve cover after PAIR cap removal
Eliminates unwanted air in the exhaust stream
Allows the most accurate air/fuel readings for tuning
Decreases 'decel-popping' with aftermarket exhaust system
Save 11 oz. (312 g) by removing the OEM PAIR caps and solenoid
Block off plates and hardware weigh only 3 oz. (85 g)
Black anodized CNC machined billet aluminum
Laser etched Brock's Performance logo
Airbox block off cap/plug included
Stainless steel hardware
ECU flash or bypass plug required on some models
PAIR Block Off Plates are used to block the air ports on the cylinder head cover. Blocking the PAIR system prevents unwanted air from entering the exhaust stream, which can decrease exhaust “popping” and is required for a proper vehicle tune.