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$271.99
Holley 300-129 Mid-Rise Intake GM LS3/LS92
Holley 300-129 Mid-Rise Intake GM LS3/LS92

Holley 300-129 Mid-Rise Intake GM LS3/LS92

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Holley 300-129 Mid-Rise Intake GM LS3/LS92
Holley 300-129 Mid-Rise Intake GM LS3/LS92
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Part # 425300129
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Intake Manifold Type:
Dual Plane
Carburetor Quantity:
One
Carburetor Flange Type:
4-Barrel Square Bore
MFG. Part #:
300-129
Sold in Quantity:
Each
GTIN Code:
090127687697

Info

Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! 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. Bolt one on today!

  • All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads
  • 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
  • Great for carbureted or throttle body EFI street applications
  • 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

Installation Instructions (PDF)

Notes

Fits all GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads. Includes mounting bolts & washers as well as pipe plugs for Manifold vacuum and MAP sensor ports.  

These Dual-Plane Intake Manifolds are NOT legal for sale or use on engines with pollution controlled equipment.

Some parts are not legal for use in California or other states with similar laws/regulations

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