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Bous-Performance Holeshot intake manifold, dual plane, idle to 5500RPM, small-block Chevrolet

Multiple options
Item number: E42401

Bous-Performance Holeshot dual plane, idle to 5500RPM, manifolds are perfect for your stock to mild-modified small-block Chevrolet engine. These manifolds come in a satin, black, polished or endura-shine finish to match your needs. Also they have a dual carb pattern, accepting spread bore carburetors like Quadrajets and includes adapter for use with square bore carburetors like Holley & Edelbrock.


  • 57-95 small-block Chevrolet.
  • 180° dual plane design for outstanding power from idle to 5500 RPM.
  • Dual carb pattern, accepts spread bore such as Quadrajets and includes adapter for use with square bore carbs like Holley.
  • Provision for exhaust heated choke and crossover for street applications.
  • Ideal port position - allows custom porting for maximum power.
  • Dual distributor hold-down provisions for extra protection against distributor rotation.
  • Four corner water outlets.
  • Accepts late-model water neck, air-conditioning, alternator, and HEI brackets.
  • Manifold Height: 4.05"
  • Intake Port size: 1.90" x 1.19"