Holley EFI Intake - Chevy Big Block V8 EFI - 300-563 CBK Tensioner Assembly - for Low

Tensioner Assembly - for Low Mount A/C

Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii

2 SBF manifold is available to work with 95MM throttle bodies

3L V8 1977 - 1978 Plymouth Trailduster 400/6

Holley EFI Intake - Chevy Big Block V8 EFI - 300-563 CBK Tensioner Assembly - for LowOverview: Holley EFI is excited to launch four new multi point fuel injection intake manifolds for the big block Chevy. These new intakes are available to fit oval or rectangular port heads, and 4150 or 4500 style throttle bodies. These Intakes are ideal for converting your big block high performance or racing engine from carburetion to fuel injection. These intake manifolds were computer designed and dyno proven to produce more horse power and torque