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5L engine in the STI
HW4-XXR6 features a MaXX pressure plate for the serious enthusiast
3001801 is a performance street disc and the most popular disc purchased
Helical Spur Gears Runs Quieter That Straight Cut Gears
Airaid 07-11 Jeep Wrangler JK 3.8L PowerAid TB Spacer 1991-bmw-325ix-base-esi2656862 5L engine in the STIThe 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
