Black Friday / Cyber Monday pricing is in effect now through the end of November.  No coupon code required--all discounts are already applied. Buying now on out-of-stock items will lock in your purchase at today's pricing.  Don't wait!  Note: On December 1st, Holley's 5% across-the-board price increase kicks in so buy before midnight November 30th or lose this opportunity forever!
Happy Holiday's from Team EFI System Pro!
-23% Mid-Rise Intake, GM LS1/LS2/LS6, Twin Square Flange, Black

Holley 2x4 Mid Rise Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines. Fits GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads

Not Sure? Review this product documentation before you buy!

Instruction Manual
Holley GM LS1/LS2 Dual-Quad Mid-Rise Dual-Plane Intake Manifold Kit

Intake Manifolds
Complete ManifoldYes
Fuel Rail IncludedYes
Manifold TypeMid-Rise Intake (Dual Plane)
RPM Range1500-7000
Throttle Body FlangeDual Square Bore (4160) Throttle Bodies (Throttle Body Not Included)
ApplicationGM LS1/LS2/LS6
ColorBlack Ceramic Coated Aluminum Intake with Black Anodized Fuel Rails
Emission Code3
LengthFlange Center-to-Center Distance 8 5/8"
MaterialCast Aluminum
OEM ReplacementNo
Unit of SaleEach

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Mid-Rise Intake, GM LS1/LS2/LS6, Twin Square Flange, Black

  • Views: 5373
  • Brand: Holley
  • Product Code: 300-121BK
  • Availability: In Stock
  • $690.00
  • $531.86