Airaid 07-13 Avalanche/Sierra/Silverado 4.8/5.3/6.0L PowerAid TB Spacer 5x114 Pre-installed large oil level sight

Pre-installed large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling

from 250 to 2000 HP

With more lift

Includes: 150 PSIg Stainless Sensor

paper air filter and air intake tube with AIRAID high-performance air intake components to give your engine more horsepower and torque

Airaid 07-13 Avalanche/Sierra/Silverado 4.8/5.3/6.0L PowerAid TB Spacer 5x114 Pre-installed large oil level sightThe POWERAID Throttle Body Spacer is designed to enhance off idle torque from 800 rpm to approximately 3,000 rpm. The spacer utilizes it's unique, patented Helix Bore design to spin the incoming air charge as it passes through the throttle body spacer. The spinning air action boosts the velocity of the incoming air and contributes to better atomization of the air fuel mixture as the air charge enters the combustion chamber. The end result is more part