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708032 APD Description 4500
2.250" Bore x 1.75" Tall
Black Widow Spacer (4500 Series)
CNC Machined from 6061-T6 aluminum
Finished in black hard coat anodizing
Machined center to evenly distribute air & fuel
Increases air speed, signal, and overall mid/high end performance
Dyno tested HP increase of 10+ HP