Holley LS3/L92 Duel Plane Carbureted Intanke Manifold

HOLLEY SKU: HLY300-129

$460.95

Only 5 left!

Holley LS3/L92 Duel Plane Carbureted Intanke Manifold, Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O-ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap.

  • 1500-6500 RPM power band
  • 4150 square bore carb mounting flange
  • Optimized runner layout and constant cross sectional area provide a broad torque curve
  • Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
  • Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
  • Weighs 14.56 lbs.
  • Height (front) - 5.07" from front lifter valley cover to carb mounting flange
  • Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
  • Port size - 2.454" height x 1.09" wide
  • Mounting flange gasket type - O-ring
  • Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers
  • Holley Intake Manifold 
  • Rectangle Port
  • Aluminum
  • Natural 
  • GM LS-Series
  • Each

Fits all GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads. Includes mounting bolts & washers.
NOTE: These Dual-Plane Intake Manifolds are NOT legal for sale or use on engines with pollution controlled equipment.