aFe 02-09 Chevrolet Trailblazer/ 02-09 GMC Envoy L6 4.2L Silver Bullet Throttle Body Spacer - Silver 2000-nissan-altima-esi3473869 When combined with our high-mount

When combined with our high-mount intercooler

1997-2003 BMW 540i Base 1977-1978 BMW 630CSi Base 1978-1982 BMW 633CSi Base 1985-1989 BMW 635CSi Base 1978-1984 BMW 733i Base 1985-1992 BMW 735i Base 1988-1992 BMW 735iL Base 1993-1995

5mm) to fit in-between sizes

NRG Hub Spacer 1/2in

aFe 02-09 Chevrolet Trailblazer/ 02-09 GMC Envoy L6 4.2L Silver Bullet Throttle Body Spacer - Silver 2000-nissan-altima-esi3473869 When combined with our high-mountThe serrated helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle response. The serrated helix combination design also reduces intake whistle that occurs with helix only designs (US PAT 07055513). This Silver Bullet throttle body spacer is precision machined from 6061 T6 billet aluminum for lightweight, high strength,