Airaid 91-06 4.0L Jeeps PowerAid TB Spacer 1983-nissan-sentra-base-esi2608829 ACL Chevrolet V8 396/402/427/454 Race

ACL Chevrolet V8 396/402/427/454 Race Series 20 Oversize Main Bearing Set

This system includes dual

Borla(r) has developed a revolutionary exhaust technology that enables our engineers to deliver unprecedented vehicle-specific control over the acoustical note of an exhaust throughout the RPM range

One Tach Input

Airaid 91-06 4.0L Jeeps PowerAid TB Spacer 1983-nissan-sentra-base-esi2608829 ACL Chevrolet V8 396/402/427/454 RaceThe 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